PARIS/LONDON (Reuters) -Eurostar train services linking London with Paris, Brussels and Amsterdam will fully resume on Sunday, the company said in a statement late on Saturday, after flooding in railway tunnels in southeastern England forced mass cancellations. “There will be some speed restrictions in place in the morning which may lead to delays, and stations are expected to be very busy,” Eurostar said. On Saturday the tunnel flooding brought international rail traffic between London and the European mainland to a halt, disrupting New Year travel for thousands of passengers – the second maj…