Burning building in Homs
Media playback is unsupported on your device
Video

Syria crisis: US and UN urge Security Council unity

The UN Secretary General, Ban Ki-moon, and the US Secretary of State have urged the international community to speak with one voice on Syria.

Hillary Clinton said that Syria's "horrific campaign of violence" had "shocked the conscience of the world".

Russia and China have blocked resolutions condemning the Syrian president, Bashar al-Assad.

In Syria, activists report that at least 47 people were killed in an attack by government militia in Homs.

Jeremy Bowen reports.

Go to next video: Hague: UN has failed on Syria