Injured French journalist in Homs appeals for help – video

Sunday Times photographer Paul Conroy, injured in the rocket attack that killed reporter Marie Colvin and French photographer Remy Ochlik, appeals for help

France calls for humanitarian corridor to Homs after video plea from journalist injured in shelling that killed Marie Colvin

John Kerry discusses options with foreign counterparts, while Ban Ki-moon sends UN disarmament chief to Damascus

Alain Juppé, the French foreign minister, says 'humanitarian corridors' in Syria would allow NGOs to reach people caught up in Assad's brutal crackdown

Obama administration calls use of chemical weapons by Assad regime a 'red line' but is reluctant to make claims without proof

Gilles Jacquier's colleagues, his employers and President Nicolas Sarkozy honour the France Télévisions reporter who died 'just doing his job'

Footage obtained from YouTube purports to show Syrian government forces shelling the city of Homs

The foreign secretary, William Hague, the UN secretary general, Ban Ki-moon, and the US secretary of state, Hillary Clinton, address the UN security council

Russian foreign minister Sergei Lavrov arrives in Damascus on Tuesday to meet President Bashar al-Assad