LONDON, Sha'ban 14, 1436, Jun 1, 2015, SPA -- Britain should hold its referendum on the country's membership of the European Union as soon as possible, Reuters cited an influential German lawmaker as saying on Monday. "We would say the sooner the better," said Norbert Roettgen, the chairman of the foreign affairs committee in the German Bundestag who is a close ally of Chancellor Angela Merkel. Roettgen was speaking at a media briefing at the residence of the German ambassador in London on Monday. --SPA 13:08 LOCAL TIME 10:08 GMT www.spa.gov.sa/w