Britain’s rail network is experiencing significant disruption on Saturday after a number of high-speed Hitachi trains were taken off service after cracks were found. “Routine checks of Hitachi trains early this morning identified cracks on part of the chassis of some trains. Safety is always our absolute priority, so these trains have been taken off the network to undergo full and rigorous checks,” said Rail Minister Chris Heaton-Harris. “Hitachi are working to complete these strict precautionary checks. Trains will be returned to service as quickly as possible once they are fully approved as safe by the manufacturer,” he said. “I share the frustration of passengers who are experiencing significant disruption, and would ask people whose journeys are affected to check before travelling.” He said he has asked the rail industry to conduct “a rapid and comprehensive review to resolve the issue.” Rail companies said earlier that they had to suspend …