Some train services in and out of Doncaster Station are delayed by up to two hours or cancelled this evening.
Damage has been caused to the overhead electric wires between Retford and Newark North Gate meaning trains on the East Coast Main Line will be subject to delays of up to two hours or cancelled.
A spokesperson for Virgin Trains East Coast said: "Disruption is expected to continue until the end of the day. Three coaches are running between Grantham and Doncaster.
"Virgin Trains East Coast customers are advised to avoid travelling today. Tickets will be valid for travel tomorrow."