In pictures: Calgary in shock after five people stabbed fatally at house party
Calgary police have arrested a suspect and identified him as the son of a 30-year veteran officer; the city's police chief is describing the event as the worst mass stabbing in the city's history
Police officers mark and photograph evidence at a house where five people were stabbed in the early morning hours in Calgary, April 15, 2014. Three people died on the scene of the crime while two others died in hospital, according to local media. The police have one person in custody.TODD KOROL/Reuters
A police officer puts down evidence markers at a house where five people were stabbed in the early morning hours in Calgary, April 15, 2014.TODD KOROL/Reuters
Police officers go door-to-door to interview local residents near a house where five people were stabbed in the early morning hours in Calgary, April 15, 2014.TODD KOROL/Reuters
A police investigator is shown at the scene of a multiple fatal stabbing in northwest Calgary, Alberta on Tuesday, April 15, 2014.Larry MacDougal/The Canadian Press
A police investigator photographs evidence on the street near the scene of a multiple fatal stabbing in northwest Calgary, on Tuesday, April 15, 2014.Larry MacDougal/The Canadian Press
A police investigator examines a knife on the street near the scene of a multiple fatal stabbing in northwest Calgary, on Tuesday, April 15, 2014.Larry MacDougal/The Canadian Press