Syrian troops have shelled the central city of Homs for a 10th day, opposition activists say, amid suggestions by the UN's human rights chief that the UN Security Council's failure to pass a resolution condemning Syria has encouraged the government to intensify its attacks on civilians.
One military commander within the Free Syrian Army says Al Qaeda is unwelcome and plays no part in the opposition fight, but juhadists are mobilising outside the country and could soon be part of the conflict.
Al Jazeera's Andrew Simmons reports.