6-year-old boy killed by school bus in Vaughan, Ontario; intersection closed for investigation.

6-year-old boy killed after being struck by a school bus in Vaughan, Ontario on Wednesday morning. The incident occurred at the intersection of Pierre Berton Boulevard and Kleinburg Summit Way. The area has been closed for police investigation, with further details to be provided as they become available. York Regional Police Constable James Dickson is expected to give an update at 9:30 a.m.