An Israeli airliner was diverted twice in Canada on Thursday after an unspecified threat to the plane and to Canada’s biggest airport, authorities said. The El Al jet was bound for Toronto from Tel Aviv and was forced to land first in Montreal, and then again in Hamilton, Ontario, to allow some passengers off. “Sometime in flight, a threat was received,” said Ken Mitchell, a spokesman for Hamilton International Airport. “The threat included the Toronto airport and the aircraft.” He added: “We don’t know the nature of the threat, we don’t know how it was transmitted or who received it. But the threat was taken seriously and the plane was originally diverted to Montreal.” Full Story