April 21: Tuesday's top stories in 10 minutes

Canadian woman shot dead, another Canadian and 12 other people injured in shooting at Teotihuacán pyramids outside Mexico City. A crucial ceasefire between US and Iran hangs in the balance as uncertainty surrounds second round of talks in Pakistan. Russia claims it has taken 1700 square kilometres of Ukrainian territory since the start of this year. Marineland requesting $10M-$20M federal loan to export belugas from Niagara Falls, Ontario to US. Harper-era cabinet ministers, former premiers, industry stakeholders on Prime Minister Mark Carney's new Canada-U.S. trade advisory council. Saskatchewan residents protest plan to build one of Canada's largest AI data centres. King Charles calls for peace and unity on the 100th birthday of his late mother Queen Elizabeth.