Toronto police will hold an update this afternoon on the deadly shooting that cut short the Salsa on St. Clair festival, leaving two people dead and four seriously injured. Chief Myron Demkiw and Mayor Olivia Chow are scheduled to speak at 3 p.m. EDT at police headquarters, and as of early Monday no suspects had been identified or arrested. Police estimate roughly 13,000 people were in the area when gunfire erupted at the Latin-culture street...