PETERBOROUGH, Ont. - Police in Peterborough, Ont., say three teenagers now are facing attempted murder charges following a stabbing incident.

They say two 16-year-old boys were charged Friday in Thursday's stabbing at a Peterborough home that left a teen in hospital.

Another 16-year-old boy was charged Thursday afternoon, hours after the incident.

Investigators say the alleged victim, also 16, knew at least one of the accused.

He was taken to a Toronto hospital by air ambulance, where police said he was in stable condition.

Police say the investigation is ongoing, but there is no threat to public safety.