18 train cars derail near Warroad, Minn.

Railway crews are cleaning up the aftermath of a train derailment in northern Minnesota last weekend.

Canadian National Railway staff received reports at 4:50 a.m. on March 28 that 18 train cars went off the rails in various positions north of Warroad, Minn, CN spokesperson Michelle Hannan said in an email statement.

Crews completed track repairs, and rail traffic resumed at 1 p.m. on March 29. Clean-up efforts will continue for multiple weeks, Hannan said, but didn’t provide a timeline.

There were no reported leaks, injuries or fires and no impact to rail crossings following the derailment.

The cause of the incident is still under investigation.