More trains are returning to service to and from Grantham after safety checks disrupted the operation of high-speed Hitachi-made trains.

London North Eastern Railway (LNER) says it is currently running 85 per cent of its usual timetable, which allows for ongoing engineering work on the East Coast Upgrade.

One InterCity 225 train is in traffic to ensure services are fully covered, and a small number of services have run in altered formations.

All trains continue to be thoroughly inspected daily before they leave the depot, the operator says.

Trains will only re-enter service if they meet agreed safety criteria, and this includes a small number of trains that have been found to have cracks where the yaw damper connects to the bolster bracket.

Over time, LNER added trains will be subject to a Forward Repair Plan, which will ensure the long-term continued safe running of the fleet.

Earlier this week, LNER introduced extra services as lockdown measures ease, as previously reported by Nub News.

Hull Trains, which also operates via Grantham, says after safety checks, its trains have returned back into service, as also reported.

LNER says customers are reminded to check www.lner.co.uk for the latest updates and information before they travel.