[01:14.73]By the time it ended around midnight, police, CID and army buildings have been burnt down.

[01:20.29]It's not clear how many people were killed, but a police ambulance took dead bodies to a mortuary.

[01:24.98]The streets of the main city in Yobe state are now deserted after the military impose a 24-hour curfew.

[01:31.39]One resident of the city said he saw 19 gunmen, some in military uniform, raid the hospital.

[01:36.46]Meanwhile, the Nigerian army says it's killed 74 suspected Boko Haram militants during ground and air strikes on camps in Bono state.

[01:44.60]Syrian state television is claiming that Mohammad al-Golani, a leader in the Islamist rebel group the al-Nusra Front has been killed.

[01:52.28]There has been no independent verification of the report and an official Syrian news agency later withdrew a similar claim.

[01:59.04]The radical Islamist organization has been seen as one of the most powerful rebel groups in Syria.

[02:04.31]The medical charity MSF says the more than 130,000 Syrians have fled heavy bombing in the northern Al Safira district in the past 2 weeks.

[02:14.24]They have been forced to flee to areas that are already struggling to cope with the huge influx of displaced people.

[02:19.63]MSF says humanitarian aid is insufficient and medical establishments are often being targeted.

[02:25.48]In New York, the United Nations Humanitarian Chief,