What are your rights if your Eurostar train is cancelled ahead of Paris Olympics

Travellers heading to Paris whose trains have been cancelled by Eurostar could be eligible for a ticket exchange or refund. Affected customers can claim for compensation when services have been delayed, consumer group Which? has advised.

The rail operator has been forced to cancel ‘one in four’ trains on Friday and over the weekend following “co-ordinated” vandalism across the channel. It comes ahead of the opening ceremony for the Paris Olympics which is taking place in the French capital this evening.

Eurostar confirmed that 25 per cent of its trains would no longer run on Friday, Saturday and Sunday. Several of its trains to Paris had been cancelled while others were diverted or subject to delays because of the ongoing issues over the Channel, with customers told to cancel their trips where possible.

READ MORE: Travel warning issued as Eurostar trains cancelled and diverted due to 'acts of malice' ahead of Paris Olympics

French rail company SNCF said a series of incidents overnight had affected travel to and from London beneath the Channel, to Belgium and across the west, north and east of France. French transport minister Patrice Vergriete told broadcasters incendiary devices had been discovered and people had fled from fires. Three fires were reported near the tracks of the French Atlantique, Nord and Est high-speed lines by local media.

Consumer group Which? has informed travellers what they are entitled to if their train is delayed or cancelled. Rory Boland, Editor of Which? Travel, said:"These attacks on the French rail network are shocking, and anyone planning to travel to the Olympics this weekend will of course be deeply concerned about the knock-on impact to their journey.

"If your Eurostar service is