BEIRUT: A spate of bombings in two Syrian regime stronghold cities killed at least 72 people and wounded 120 on Monday, the Syrian Observatory for Human Rights said.Thirty-four people were killed in three bombings – at least two of them suicide attacks – in the Mediterranean coastal city of Tartus, the monitoring group said.Another 38 died in four bombings, three of them suicide blasts, in Jableh further north, the Observatory said.