A gunman has killed a 10-year-old girl and an 18-year-old woman in Toronto after opening fire on a busy street in Canada's largest city.<br /> Just over a dozen others are said to have been injured in Sunday's rampage along Danforth Avenue. <br />After an exchange of gunfire with police, the 29-year-old suspect was later found dead.<br />It's unclear if he was killed by police or if he took his own life.<br />Investigators are trying to determine the gunman's motive.<br />Prime Minister Justin Trudeau expressed his condolences in a tweet, while Toronto Mayor John Tory condemned what he called the despicable attack. <br />
