A Toronto police officer has been shot to death during a raid tied to a March shooting outside the US consulate. The officer was shot during a gunfire exchange at a high-rise building in the early hours of Thursday, the Toronto Police Service said. He was later pronounced dead in hospital. Police had been investigating suspects who allegedly fired shots at the US consulate building in Toronto earlier this year, in what US and Canadian authorities described at the time as a "national security incident". (excerpt) US officials have linked the March shooting to a dual Iranian-Iraqi national accused of...