There are delays of up to 45 minutes on Eurostar services from St Pancras International, Ebbsfleet International and Ashford International Station.
This is due to electrical supply problems in France.
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Millions of voters headed to the polls to vote in today's local elections. Here is when the results are expected in.
Around 45 million registered voters in England, Wales, Scotland and Northern Ireland will vote in elections across the UK.
One year after the general election, this is Jeremy Corbyn's first big electoral test. Phil Hornby reports.