An RCMP alert is being extended from Saskatchewan to Manitoba and Alberta. 

A Dangerous Person Alert is in place after multiple stabbing incidents were reported on Sunday, Sept. 4, in various locations, including James Smith Cree Nation and Weldon, Saskatchewan. 

Police say the two male suspects are named Damien Sanderson and Myles Sanderson. 

Damien is 5'7" and 155 lbs with black hair, and brown eyes. Myles is 6'1" and 240 lbs with brown hair. 

"Do not approach suspicious persons and do not pick up hitchhikers. Report any information to your local police, and report emergencies to 9-1-1." 

The two men may be travelling in a black Nissan Rogue, Saskatchewan license plate 119 MPI.