Morning swim lessons and workouts were cancelled at the YMCA located at 5939 Rochdale Blvd. in northwest Regina on Sunday.The YMCA is near the Rochdale Crossing Mall.It was evacuated around 10 a.m. because of a potential chlorine leak.Families stood in the parking lot as crews from three fire trucks in Hazmat gear investigated a chlorine alarm.The department said it’s a routine response.While some have reported a noticeable chlorine smell, it doesn’t appear anyone has reported feeling ill.More to come.