Passengers travelling on the Eurostar this week should be aware that some trains have been cancelled due to “adverse weather”.
The operator has said that two services a day will not operate between Monday 22 June and Thursday 25 June.
Cancellations include the 1.31 pm on 23-24 June, the 6.08 pm on 24 June, and the 3.31 pm and the 8.08 pm on 25 June.
The news comes as both France and the UK issue red heat alerts.
London will hit highs of 36C on Tuesday and Thursday, and 37C on Wednesday. Paris, meanwhile, will see temperatures of 37C on Wednesday and 39C on Thursday.
What to do if your train is cancelled
Passengers affected can exchange their booking for free to travel in the same class at a different time or date.
Alternatively, you can claim an e-voucher, which is valid for 12 months, or get a refund. Refunds take up to 28 days to process and do not include booking or exchange fees.
You can find all the details on the Eurostar website.
A Euronews spokesperson said in a statement, "The extreme heat conditions are impacting rail infrastructure as well as some Eurostar operations.
"Eurostar continues to operate the majority of its trains on both cross-Channel and continental routes with a small number of cancellations. Affected customers are being informed directly.
"At the request of Infrabel (Belgian infrastructure network operator), as from Thursday 25 June, high speed trains operating between Brussels and the French border will run at reduced speeds by day resulting in extended journey times. This does not affect London-Paris trains.
"Eurostar encourages customers to take appropriate precautions and stay hydrated throughout their journey. Complimentary water is being distributed on board and in stations to ensure passengers remained well hydrated as part of Eurostar’s Solstice hot weather plan.
"Eurostar customers can change their journey for free if they wish to travel outside the heatwave and we encourage more vulnerable passengers to postpone their journey if possible due to the heat."
