Air strikes on ex-Nusra Front building kill at least 30 - monitor

Air strikes on a building in northern Syria used by an insurgent group formerly known as the Nusra Front killed at least 30 people and wounded dozens more on Tuesday, the Syrian Observatory for Human Rights said. The Britain-based Observatory said it was unclear whether the strikes near Sarmada in the countryside of the northwestern province of Idlib had been carried out by aircraft belonging to Russia or to the U.S.-led coalition. Tuesday is the fifth day of a ceasefire in Syria but its sponsor