Passengers claimed that the temperature inside the train reached 104 F (40 C) as they were stuck on the train with no electricity or air-conditioning. They were eventually evacuated onto the tracks.Eurostar advised passengers to avoid traveling on the Belgian line on Wednesday after multiple trains were shut down due to the power failure.Belgium and the Netherlands reported a record temperature of 102 F on Wednesday as a heat wave swept over Europe.This footage, uploaded to Twitter by passenger Tom Theys, shows people lined up against a tunnel wall as they waited for another train to pick them up. Theys later tweeted videos of the passengers boarding the new train. Credit: Tom Theys via Storyful">