Israeli airstrikes on Thursday targeted an arms supply hub operated by Hizballah near Damascus airport, where weapons from Tehran are regularly transferred by planes.
During a visit to Israel, the US defence chief that there is no doubt that Assad kept chemical weapons and that Washington would strike Syria again if gas attacks resume.
Israeli military officials have said that the Assad regime still possesses up to three tonnes of chemical weapons, similar to those used in a deadly attack on an Idlib town.
Ahmad Attoun was detained by the Israeli army in the early hours of Wednesday, after his home was 'brutally' raided in Al-Bireh.
“I wouldn’t be surprised if during the Iranian election on May 19, somebody assassinates the president of Iran, Hassan Rouhani,” Israeli Defence Minister Avigdor Lieberman has said.
Analysis: The cruise missile strike on a Syrian airbase has cemented already entrenched positions, writes Paul Iddon.
Israel unveiled a new missile defence system on Sunday - with Prime Minister Netanyahu making explicit threats of destruction to his 'enemies'.
Israel reportedly launched a drone attack on Yasser al-Sayyid while he was driving towards the Golan Heights on Sunday afternoon.
Israeli Defence Minister Avigdor Lieberman on Sunday threatened to destroy Syrian air defense systems after they fired ground-to-air missiles at Israeli warplanes carrying out strikes.
Israel declared on Thursday the Palestine Liberation Organisation's main financial body, which provides assistance to Palestinians held in Israeli jails, a terrorist organisation.