Cracks found under trains which sparked weeks of travel chaos could have been caused by salty seawater spraying onto the carriages, a report suggested. It stressed the document was only an interim report and the 'root cause' won't be decided until December. In its report yesterday it said cracks are likely to have emerged due to carriages being 'exposed to a specific corrosive substance while subject to stress.' It said the aluminium alloy which some cracks were found in may have had 'greater susceptibility' to being damaged by salty substances. A Hitachi spokesman said: 'The ORR's interim report highlights how the industry took timely and appropriate decisions to maintain the highest levels of safety.

Source: Daily Mail September 10, 2021 00:56 UTC