Source BBC News@ tienganhvui.com1 September 2013 Last updated at 00:38 ET Please turn on JavaScript. Media requires JavaScript to play. Mr Obama said the US could not turn a blind eye to what had happened in DamascusContinue reading the main storyDamascus on edge Awkward timing France backs US Britain's status US President Barack Obama has formally asked Congress to authorise military action against Syria over alleged chemical weapons attacks.He said any operation would be limited, ruling out a ground invasion. Congress is to reconvene on 9 September.This comes after Washington claimed it had evidence that 1,429 people were killed in chemical attacks by the Syrian army on 21 August.The Syrian government gave no immediate reaction to Mr Obama's...