Crossing security agents responded to an incident at the subway station when police said they were attacked around 3:45 p.m. A 43-year-old man was arrested and also taken to hospital. A 21-year-old woman who did not need medical treatment was also arrested. Both agents sustained minor injuries, one of whom needed medical treatment at a hospital, according to a Montreal police spokesman. Police went down to the metro station, but despite the security perimeter, the train and bus service was not affected, police confirmed.