One man is in custody, while another woman is in hospital with minor injuries, believed to related to the event, according to police.
Public safety is not at risk, police say.
Police were made aware of the event shortly before 8:30 a.m. and are currently on scene.
Anyone with information is asked to contact police at 306-777-6500 or Crime Stoppers at 1-800-222-8477.
More to come.