Rail services in
The cracks were found on metal components connected to the trains' underside, known as the bogie, and disruption to services between
The trains are
The British government asked the Japanese company to confirm the extent of the cracking problem and to investigate and report on whether the trains can be operated safely.
Rail Minister
Hitachi said on Twitter, "We would like to offer our sincerest apologies to passengers impacted."
==Kyodo
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