Syria Observer Mission

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  Russia's Air War in Syria a Game-Changer for US: Experts

  Two weeks into Russia's air war in Syria, some observers say the narrow scope of the US-led mission in Syria -- to conduct drone and plane strikes against Islamic State jihadists -- needs an urgent rethink.

• United Nations monitors pull out of Syria

  United Nations military observers left Damascus on Monday after a four-month mission in which they became helpless spectators of Syria's spiralling conflict, instead of monitoring a ceasefire between President Bashar al-Assad's forces and rebels.

• UN council to set up new Syria office after observers go

  The Security Council will let the mandate for the UN military observer mission in Syria expire on Sunday and will back a new civilian office there to support UN and Arab League efforts to end the country's 18-month conflict.

• Syria rebels brace for 'mother of all battles'

  Syrian rebel forces were bracing today for the "mother of all battles" in Aleppo, as the former UN observer mission chief said President Bashar al-Assad's fall was a matter of time.

• Europe, Russia propose rival resolutions on Syria

  European nations and Russia proposed rival U.N. resolutions on Friday morning, both calling for expanding the number of U.N. cease-fire monitors in Syria from 30 to 300 but disagreeing on possible sanctions and on how quickly the larger observer force should get on the ground.

• UN monitors face risky mission in Syria

  UN monitors arriving in Syria are starting a perilous mission as there is no formal ceasefire between President Bashar al-Assad and opposition forces, diplomats said.

• Arab League halts observer mission in Syria

  The Arab League has halted its observer mission in Syria because of escalating violence that has killed nearly 100 people over the past three days, as pro-regime forces battled dissident soldiers in a belt of suburbs on the eastern edge of Damascus in the most intense fighting yet so close to the capital.

• Arab League confirms Syria's suspension from group

  The Arab League on Wednesday confirmed the suspension of Syria from the organization and gave its government three days to halt the violence and accept an observer mission or face economic sanctions.