Were you at the barbecue when gunfire erupted? Tell us your story or send us your pics and video. Call the Toronto Sun City Desk at 416-947-2211 or email torsun.citydesk@sunmedia.ca A barbecue ended in bloodshed as a reckless exchange of gunfire erupted in an east-end neighbourhood late Monday killing a 14-year-old girl and 23-year-old man and wounding 21 others, including a toddler. The mass shooting, the worst in the city's history, occurred around 10:40 p.m. during a "large" house party and sent a throng of people running for their lives from 193 Danzig St., just south of Lawrence and Morningside Aves. "I've been a cop for 35 years and this is the worst incident of gun violence in my memory anywhere in North America," Toronto Police Chief Bill Blair said at the scene shortly after the bullets stopped flying. The city's top cop was obviously distraught and had difficulty finding the words to describe how he was feeling about the shooting that he called "unprecedented" for Toronto. "It's a very shocking event," Blair said. "A lot of innocent people were injured tonight." It's believed more than 200 partygoers were at the barbecue, described as an annual event by area residents. People were listening to music one second and dodging bullets the next. Blair said "an altercation broke out among some individuals and there was an exchange of gunfire." Shyanne Charles, 14, and a man, 23, were killed. At an 11 a.m. news conference Tuesday, Blair said police believe two people