1 March 2012 Last updated a
Russia and China, who vetoed two previous Security Council resolutions on Syria, are also backing the call for Baroness Amos to be allowed in.
It comes as the rebel Free Syrian Army said it was withdrawing from the Baba Amr district of Homs, which has been under siege for nearly a month.
France says two French journalists trapped in Homs are now safely out.
Reporter Edith Bouvier, 31, and photojournalist William Daniels, 34, are now in Lebanon, French President Nicolas Sarkozy told a news conference.
Ms Bouvier was badly injured in the bombardment of a makeshift media centre last week, in which two journalists were killed and another one wounded.
"I have just spoken to Edith Bouvier, who is naturally very tired, who has suffered a great deal, but who is happy to be free and will be treated soon," he said. "I want to thank all those who contributed to this happy outcome."
Earlier, the International Committee of the Red Cross (ICRC) said it and the Syrian Red Crescent had been given the green light to go to Baba Amr on Friday to deliver food and medical supplies.
In a statement, the council expressed its "disappointment" that Baroness Amos had not been granted authorisation to visit Syria.
The council's 15 member countries also said in a unanimously agreed statement that they "deplore" the deteriorating situation, "in particular the growing number of affected civilians, the lack of safe access to adequate medical services, and food shortages, particularly in areas affected by fighting and violence such as Homs, Hama, Deraa, Idlib".
"The members of the Security Council call upon the Syrian authorities to allow immediate, full and unimpeded access of humanitarian personnel to all populations in need of assistance, in accordance with international law," the statement said.
On Wednesday, Baroness Amos, who heads the UN Office for the Co-ordination of Humanitarian Affairs (UNOCHA), said she had been refused permission by the Syrian authorities to enter the country.
Russia and China vetoed earlier resolutions on Syria at the Security Council out of concern that they could lead to regime change.
The UN estimates more than 7,500 people have died in an 11-month anti-government uprising in Syria.
The Local Co-ordination Committees, a network of activists, says 33 people died on Thursday, including 21 in Homs. Their figures cannot be verified independently.
The ICRC and Syrian Red Crescent plan to bring bring food and medical supplies to Baba Amr on Friday, and will also evacuate those in need, ICRC spokeswoman Carla Haddad Mardini told the BBC.
"We fear there are many people who are seriously wounded," she said. "We know the humanitarian situation on the ground is extremely worrying."
Earlier on Thursday the FSA, the main armed rebel group in the country, said it was making a "tactical withdrawal" from Baba Amr.
It came after nearly a month of bombardment and the first stages of a ground offensive by Syrian government forces.
Of the 100,000 people who normally live in Baba Amr, only a few thousand remain. The FSA said 4,000 civilians had refused to leave their homes and it was withdrawing to save them from an all-out assault.
It has been snowing heavily in Homs, slowing the advance of ground troops which began their offensive on Tuesday, but also worsening conditions for civilians.
Many of those still in Baba Amr are without power and running low on basic supplies.
Meanwhile, the exile political opposition Syrian National Council (SNC) says it has formed a military bureau to co-ordinate the various armed anti-government groups.
Announcing the creation of the new bureau, SNC leader Burhan Ghalioun said the uprising had begun as a non-violent movement, but the council had to "shoulder its responsibilities in light of this new reality".
Mr Ghalioun said the bureau would function like a defence ministry and would be staffed by soldiers from the FSA as well as civilians.
However, the head of the FSA, Col Riyad al-Asaad, has said his organisation will not co-operate with the new bureau, our correspondent says.
copy: http://www.bbc.co.uk/22:31 GMT
Syria crisis: UN demands Valerie Amos let into country
An activist in the Syrian city of Homs has said the Free Syrian Army has left the embattled district of Baba Amr
The UN Security Council is demanding immediate access to Syria for its humanitarian chief, Valerie Amos.
Russia and China, who vetoed two previous Security Council resolutions on Syria, are also backing the call for Baroness Amos to be allowed in.
It comes as the rebel Free Syrian Army said it was withdrawing from the Baba Amr district of Homs, which has been under siege for nearly a month.
France says two French journalists trapped in Homs are now safely out.
Reporter Edith Bouvier, 31, and photojournalist William Daniels, 34, are now in Lebanon, French President Nicolas Sarkozy told a news conference.
Ms Bouvier was badly injured in the bombardment of a makeshift media centre last week, in which two journalists were killed and another one wounded.
"I have just spoken to Edith Bouvier, who is naturally very tired, who has suffered a great deal, but who is happy to be free and will be treated soon," he said. "I want to thank all those who contributed to this happy outcome."
Earlier, the International Committee of the Red Cross (ICRC) said it and the Syrian Red Crescent had been given the green light to go to Baba Amr on Friday to deliver food and medical supplies.
Continue reading the main story
The announcement in Paris by the Syrian National Council (SNC) that it is setting up a new "military bureau" to coordinate and funnel arms and support to the Free Syrian Army (FSA) has exposed a glaring rift in opposition ranks.
SNC President Burhan Ghalioun, said that the commander of the FSA, Col Riyad al-Asaad, and Gen Mustafa al-Shaikh, who recently set up a "Supreme Military Council", were on board the project.
But Col Asaad told al-Jazeera that he had spoken to Mr Ghalioun the night before, that they had differed, and failed to reach agreement.
He said the FSA had its own military strategy, did not want political interference, and would not coordinate with the SNC and its new military bureau.
He had earlier criticised the SNC for failing to do anything practical to help people inside Syria. But with an Arab League resolution in January now providing political cover for countries like Saudi Arabia and Qatar which want to arm the opposition, it's not clear why Col al-Asaad is rejecting the proffered largesse.
While it is very hard to assess the true strength of the FSA and the level of popular support it enjoys inside Syria, it is frequently named in slogans chanted at anti-regime demonstrations, and many activist videos posted on the internet have shown military defectors declaring their allegiance to the FSA.
Analysis
SNC President Burhan Ghalioun, said that the commander of the FSA, Col Riyad al-Asaad, and Gen Mustafa al-Shaikh, who recently set up a "Supreme Military Council", were on board the project.
But Col Asaad told al-Jazeera that he had spoken to Mr Ghalioun the night before, that they had differed, and failed to reach agreement.
He said the FSA had its own military strategy, did not want political interference, and would not coordinate with the SNC and its new military bureau.
He had earlier criticised the SNC for failing to do anything practical to help people inside Syria. But with an Arab League resolution in January now providing political cover for countries like Saudi Arabia and Qatar which want to arm the opposition, it's not clear why Col al-Asaad is rejecting the proffered largesse.
While it is very hard to assess the true strength of the FSA and the level of popular support it enjoys inside Syria, it is frequently named in slogans chanted at anti-regime demonstrations, and many activist videos posted on the internet have shown military defectors declaring their allegiance to the FSA.
'Tactical withdrawal'
In a statement, the council expressed its "disappointment" that Baroness Amos had not been granted authorisation to visit Syria.
The council's 15 member countries also said in a unanimously agreed statement that they "deplore" the deteriorating situation, "in particular the growing number of affected civilians, the lack of safe access to adequate medical services, and food shortages, particularly in areas affected by fighting and violence such as Homs, Hama, Deraa, Idlib".
"The members of the Security Council call upon the Syrian authorities to allow immediate, full and unimpeded access of humanitarian personnel to all populations in need of assistance, in accordance with international law," the statement said.
On Wednesday, Baroness Amos, who heads the UN Office for the Co-ordination of Humanitarian Affairs (UNOCHA), said she had been refused permission by the Syrian authorities to enter the country.
Russia and China vetoed earlier resolutions on Syria at the Security Council out of concern that they could lead to regime change.
The UN estimates more than 7,500 people have died in an 11-month anti-government uprising in Syria.
The Local Co-ordination Committees, a network of activists, says 33 people died on Thursday, including 21 in Homs. Their figures cannot be verified independently.
The ICRC and Syrian Red Crescent plan to bring bring food and medical supplies to Baba Amr on Friday, and will also evacuate those in need, ICRC spokeswoman Carla Haddad Mardini told the BBC.
"We fear there are many people who are seriously wounded," she said. "We know the humanitarian situation on the ground is extremely worrying."
Earlier on Thursday the FSA, the main armed rebel group in the country, said it was making a "tactical withdrawal" from Baba Amr.
It came after nearly a month of bombardment and the first stages of a ground offensive by Syrian government forces.
Of the 100,000 people who normally live in Baba Amr, only a few thousand remain. The FSA said 4,000 civilians had refused to leave their homes and it was withdrawing to save them from an all-out assault.
It has been snowing heavily in Homs, slowing the advance of ground troops which began their offensive on Tuesday, but also worsening conditions for civilians.
Many of those still in Baba Amr are without power and running low on basic supplies.
Meanwhile, the exile political opposition Syrian National Council (SNC) says it has formed a military bureau to co-ordinate the various armed anti-government groups.
Announcing the creation of the new bureau, SNC leader Burhan Ghalioun said the uprising had begun as a non-violent movement, but the council had to "shoulder its responsibilities in light of this new reality".
Mr Ghalioun said the bureau would function like a defence ministry and would be staffed by soldiers from the FSA as well as civilians.
However, the head of the FSA, Col Riyad al-Asaad, has said his organisation will not co-operate with the new bureau, our correspondent says.
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copy: http://www.bbc.co.uk/22:31 GMT
