A problem near Churchill has forced VIA Rail to halt its service to the northern port.

On Monday, 13 grain cars derailed just south of Churchill.

No one was injured, but the cleanup is expected to be extensive.

Around 20 passengers who were able to make it to Thompson were flown to Churchill yesterday.

VIA Rail customers travelling to Churchill can cancel or change their travel date at no additional charge.

Trains usually leave Winnipeg for Churchill every Tuesday and Sunday.

There's no word yet on when regular service will resume.