Obama and Putin said they would both support a so far ineffective cease-fire plan by former U.N.
Withdrawing from Syria would ensure the safety of the team, but it could signal a loss of confidence in the hopes of a cease-fire and leave the U.N. without a way to monitor progress, the report says.
The U.N. agencies called for an immediate cease-fire to allow civilians to leave the town.
But he said that ending the conflict there required a political solution, not a military one, and emphasized that the primary role of U.N. troops would be to monitor any cease-fire agreed upon by the warring parties.
The U.N. observer mission is tasked to monitor the cease-fire and the peace plan.
The statement said that after the withdrawal is complete, the U.N. will have a chance to broker a cease-fire for Sarajevo, and later for all of Bosnia.
CNN: NATO extends deadline for Bosnian Serbs to move weapons
Many of the Europeans and Arabs, as well as the U.N. secretary-general, are pushing for an immediate cease-fire.
An advance team of U.N. observers is in Syria to check compliance with the cease-fire, with 30 unarmed monitors expected in the coming days.
It has authorized up to 300 monitors in Syria to monitor a cease-fire and the six-point peace plan of U.N. and Arab League envoy Kofi Annan.
CNN: U.N. notes cease-fire violations from both sides in Syria
By last month, some unarmed U.N. observers sent to the country to monitor the purported cease-fire deal had left the country, while others were largely confined to their hotels.
The Syrian Foreign Ministry statement backtracks on previous public commitments given by the government that it will fully abide by the U.N. six-point plan, which paves the way for a cease-fire, due to be implemented by Tuesday.
After months of violence, Arab League-U.N. envoy Kofi Annan weeks ago helped broker what he hoped was a cease-fire.
The cease-fire is part of a six-point peace plan laid out by U.N.
Washington is supporting U.N. and Arab League envoy Kofi Annan's peace initiative, which calls for a cease-fire and a political solution.
CNN: Military options for Syria considered if crisis worsens
"As of this hour, the information that we have is that the cease-fire is holding in North Kivu (province), " Kevin Kennedy told reporters at U.N. headquarters in New York at noon.
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