ST. PAUL — The state Department of Public Safety said at least four people were killed on Minnesota roads over the three-day Memorial Day weekend, and about 360 people were arrested statewide for drunken driving.

The DPS said two of the victims were not wearing their seat belts.

The victims included:

— a 19-year-old man killed Saturday on Interstate 94 in Douglas County when he sideswiped a vehicle he was trying to pass;

— a 24-year-old woman killed Saturday in Le Sueur County after crashing into a power pole;

— a 49-year-old man who was walking in Hennepin County when he was hit by a car,

— and an 81-year-old woman killed Monday in Morrison County when she was broadsided by another vehicle on Highway 10 as she was making a left turn.