Canadian PM Justin Trudeau promises answers to families of Iran plane crash victims

Justin Trudeau has said the Canadian government "will not rest until we get answers" into the downing of a Ukrainian passenger plane by an Iranian missile. All 176 people on board the flight from Tehran on Wednesday were killed, including 138 who were headed for Canada. Iran has admitted the plane was mistaken for a hostile target amid soaring tensions with the United States. Speaking at a memorial in Edmonton, Alberta, Mr...