AMMAN (Reuters) - At least 17 people were killed on Wednesday in an explosion in the centre of Jisr al Shughour, a rebel-held city in northwestern Syria, a day after heavy Russian air strikes in the vicinity, rescue workers and residents said.Several residential buildings collapsed as a result of the blast in Idlib province, near a road between the coastal city of Latakia and city of Aleppo.
"The casualties are expected to rise. The cause is not known," said Ahmad Yaziji, head of civil defence in the city, adding at least 27 people, mostly civilians, were injured.
