Air strikes on ex-Nusra Front building kill at least 25 - Monitor

Air strikes on a building in northern Syria used by an insurgent group formerly known as the Nusra Front had killed at least 25 people and wounded dozens more on Tuesday, the Syrian Observatory for Human Rights said. The British-based Observatory said it was unclear whether the strikes 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 sponsors, Russia and Turkey, say this excludes Islamic State and the Syri