Canada shooting: Gunman kills at least 18 in Nova Scotia (Canada)
A gunman disguised as a policeman killed at least 18 people, including a female Royal Canadian Mounted Police (RCMP) officer, in the worst mass shooting in Canada's modern history.
RCMP Constable Heidi Stevenson, who had served in the force for 23 years, was among those killed.
Sad news indeed!.....