West Edmonton Mall shooting: What's known, what's not

Two groups exchanged gunfire, injuring at least three, in a parking lot at West Edmonton Mall Monday evening, the Edmonton Police Service says. Police do not have any persons of interest and no arrests have been made, but investigators believe the shootings were targeted, Acting Chief Darren Derko told reporters Tuesday morning. "It appears one group was waiting for a second group of four males who were inside the mall," Derko said. "It was reported that four males left the mall and went to thei