Rail services between Carlisle and Lockerbie are delayed, because of a fault with the signalling system between Carstairs and Lockerbie.
The fault is thought to have been caused by the bad weather sweeping through the region.
Disruption is expected to continue until around 12pm.
#VTNEW Due to a fault with the signalling system between Carstairs and Lockerbie, trains have to run at reduced speed on all lines.
Huge hailstones falling during yesterday's storms have caused thousands of pounds worth of damage to an Eastriggs man's caravan.
A house in Penruddock caught fire after being hit by lightning this morning. The strike knocked tiles several metres from the roof.
Thousands of homes and businesses across Cumbria have been affected by power cuts, as heavy rain and storms hit the region.