By Guy Taylor Eurostar has received a scolding from the UK’s advertising watchdog after misleading passengers over the price of ticket fares on routes to and from London. In a statement, the Advertising Standards Authority (ASA) accused Eurostar International of falsely representing the number of ticket fares on offer at an advertised price of £39. A promotional email to customers from the Channel Tunnel’s high-speed operator invited passengers to “treat yourself to a European getaway … from just £39 each way.” The email noted holidaymakers should “make the most of the long days and sunny rays…