Eurostar suspended train services in Europe on Tuesday after a power supply issue in the Channel Tunnel, sparking travel chaos during the very busy travel season between Christmas and New Year. Passengers were left scrambling to find alternatives after the operator postponed all services between London, Paris, Amsterdam and Brussels. “There was a power supply problem in the Channel Tunnel, followed by a shuttle train coming to a halt inside,” a Eurostar spokesperson said. “All journeys to and...