CALLAWAY (AP) - Flames from a propane truck that was struck by a train in northwestern Minnesota has been extinguished after a fiery explosion.

A freight train collided with the propane truck in Callaway at about 12:25 p.m. on Thursday. A fire raged for hours as the propane was vented off until shortly after 10 p.m., when an explosion occurred.

The Becker County Sheriff's Office said Friday morning the fire has been extinguished. The town of about 230 remains evacuated until further evaluations of the area.

It's still unclear why the propane truck was on the tracks. Canadian Pacific railroad spokesman Andy Cummings says the two crew members were treated and released at a local hospital.

Callaway is about 50 miles east of Fargo, North Dakota.