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The train company stated its plans to run a full schedule this Wednesday, but cautioned that passengers may still face potential residual delays after an electrical fault that halted all train traffic through the Channel tunnel linking the UK capital to the European mainland.

This update followed after a chaotic day for year-end travelers, many of whom left scrambling to make other plans when the operator postponed all services connecting key European capitals.

"Operations have resumed now following a power issue within the tunnel yesterday plus additional complications with rail infrastructure overnight," a Eurostar statement said. "Our intention is to operate our entire timetable on Wednesday, but due to ripple effects some delays and possible last-minute cancellations."

Extensive Consequences and Stranded Passengers

Earlier, the service urged customers to postpone their travel and warned the risk of significant hold-ups along with last-minute cancellations.

Notably, the company's site showed that even services within mainland Europe which do not use the undersea link—for example routes between the French and Belgian capitals—were also cancelled during the day.

The root of the problem was identified as a power supply problem, made worse by a separate incident: a broken-down vehicle transport train within the 31-mile (50km) undersea rail link connecting Folkestone in south-east England and northern France.

The result was scenes of crowds of stuck passengers, luggage in hand, gathering at major hubs like St Pancras in London and the Gare du Nord in Paris, their New Year's travel arrangements suddenly uncertain.

Unprecedented Popularity Amid New Rivals

The disruption occurs at a time when the company enjoys unprecedented demand. An all-time high of nearly 20 million travelers journeyed with Eurostar in 2024, an increase of almost five percent from 2023, fueled largely by demand from visitors to the Olympic and Paralympic Games in Paris.

Since the tunnel opened in 1994, the operator has maintained a monopoly over train travel via the Channel link. Yet, this position faces challenges. Entrepreneur Sir Richard Branson has vowed to introduce a rival service. Furthermore, the Italian rail firm Trenitalia has stated its plan to vie with Eurostar on the lucrative Paris-London route by 2029.

A Pattern of Operational Issues

This latest event compounds recent criticism faced by the company, particularly over its high fares for journeys such as London-Paris.

It is far from an isolated event. Back in August, an electrical fault forced the cancellation of Eurostar services and caused major disruptions on other routes. Months prior, in June, stolen of essential signaling cables from railway lines in northern France caused two full days of major problems.

For clarity, LeShuttle, which operates trains for automobiles between England and France, experienced issues by the failed train within the tunnel.