High-speed trains running the Channel Tunnel resumed service on Friday after French unions ended a wildcat strike that had stranded vacationers and held up freight just days before Christmas. The surprise walkout by workers that blocked the tunnel sparked hours of chaos at rail hubs in Paris and London.Neither side detailed the terms of the agreement or the issues on the negotiating table, but before the strike, French operator Getlink said unions had  demanded a tripling of the end-of-year bonus of 1,000 euros ($1,100).Eurotunnel unions later announced they were ending their action after negotiations with management that “bore results that satisfy us”.High-speed services leaving London, Paris and Brussels “have gone back to normal today”, Eurostar said Friday.Eurostar had said it would add six extra trains between Friday and Sunday after it had been forced to cancel 30 scheduled trains. At Gare du Nord station in Paris and St Pancras in London — the main hubs for cross-Channel passenger train travel — frustrated travellers dashed to change their reservations during the strike, or find alternative transportation. “We support people who want to strike … but we have to tell people (ahead of time),” said Isabelle Margat, 41, a British translator living in France. “There are lots of people here who simply want to celebrate Christmas with their family.”- ‘Disneyland with the kids’ -All services between Paris and Brussels and Paris and London were scrapped after the surprise strike, which appeared to catch even the St Pancras station reception and security off guard as they tried to clear platforms of passengers waiting to board. Thomson Mouana, from South Africa, who had three children with him, had been in the UK on holiday but needed to leave for his flight home. “This is disturbing us. We don’t have the money and we don’t know what to do.” “We must get to South Africa but now we are stuck.” English traveller Sam Boyal said: “We were going to Disneyland (outside Paris) with the kids… it’s just too stressful. You can’t drive suddenly with three kids, you’ve got to plan that.” Eurostar employees used megaphones to tell stranded passengers at the Gare du Nord station in Paris that all trains for the rest of the day were cancelled.At Calais in northern France, vehicle queues more than a kilometre long formed at the entrance to the French terminal where cars and trucks board trains to reach Folkestone on the other side of the Channel.The Channel Tunnel, which opened in 1994, carries passengers on Eurostar trains as well as cars and freight vehicles on special cargo shuttles.Eurostar is owned 55.75 percent by French state-owned SNCF Voyageurs, 19.31 percent by a Quebec public investment bank, 18.5 percent by Belgian operator SNCB and 6.44 percent by US-based Federated Hermes Infrastructure.It almost went bankrupt during the Covid-19 pandemic but was saved with a 290-million-euro bailout from shareholders including the French government.burs/jh/as/ach