A police traffic stop lead to an assault and death threat investigation in Saskatoon on Thursday night.

Just before 11pm, officers pulled over a vehicle at Wiggins Avenue South and 9th Street East. An injured woman was in the back seat and she had been assaulted with a knife. Police indicate after a further investigation, they believe her life had been threatened by the four other people in the vehicle.

Two men (aged 53 and 60) and two women (aged 31 and 41) have been charged with assault with a weapon and uttering death threats. The 31 -year -old woman is also charged with cocaine possession and the 60-year-old man was in breach of court-ordered conditions.