Tech investors say UK must clarify Brexit immigration stance

By Paul Sandle and Eric Auchard LONDON (Reuters) - London could lose its position as the leading destination for start-ups in Europe if it does not remain open to the best talent after the British vote to leave the European Union, investors warned on Monday. Six months after the referendum, tech investors used the TechCrunch Disrupt London conference, a major annual gathering for hot start-ups, to call on the government to answer many lingering questions around immigration policy.