Eurostar passengers have been issued a ‘do not travel’ warning for major European cities following a fire and power outage.The international rail operator has warned travellers not to make journeys to two of its hubs as a result, due to the disruption.While the extent of the damage is unclear, Eurostar has said the impact will last until at least tomorrow (2 July).If you are affected, you have three options.Firstly, you can exchange your booking for free for a different date or time.You can also cancel your booking and claim an e-voucher to use for the next 12 months, or get a full refund. Eurostar services to two major cities have been disrupted as a result of a fireThe affected hubs are Amsterdam and Rotterdam stations in the Netherlands, due to fire damage to the railway near the latter.A statement on Eurostar’s website says: ‘Due to fire damage to the railway near Rotterdam, we’re unable to run direct trains between the UK and the Netherlands up to and including 2 July, 2026. ‘Unfortunately, it means that Amsterdam and Rotterdam stops have been cancelled and trains on this route are running between London and Brussels only. ‘A small number of trains will run between France/Belgium and Amsterdam. ‘However, none of them will stop at Schiphol or Rotterdam. ‘As these trains need to take an alternative route around the damaged area, journey times will be significantly longer, and seat availability is reduced. ‘We strongly advise that you postpone or cancel plans where possible. Exchanges can be made for free and full refunds are available. ‘We apologise for the inconvenience the situation has caused.’ Affected passengers can rebook, get a voucher for a future trip or receive a refundIf you’re unsure what you’d like to do with your affected ticket, Eurostar is offering a three-month period to let you make up your mind.It comes after recent heatwaves have caused chaos for train transport.Eurostar said four trains between London St Pancras and Paris Gare du Nord were cancelled on 25 June ‘due to expected adverse weather’ on the network. Meanwhile, Transport for London (TfL) told customers to ‘consider if your journey is necessary’.