Tense talks in bid for Syria deal

Russian and US ministers begin key talks in Geneva, expressing hope a plan for Syria's chemical arms can prevent military action.

• Assad sets out timeline Watch
• Q&A: Syrian diplomatic crisis
• Views: Can Russian plan work?
• Analysis: Putin's US plea
• 'Loud explosions' in Maaloula Watch
• Gardner: Horror of chemical arms
• Putin piece riles lawmakers
• Mardell: Putin jabs hit home