U.S. accuses London trader of helping cause 2010 'flash crash'

By Michael Holden LONDON (Reuters) - A London-based trader's market manipulation helped cause the 2010 Wall Street "flash crash" which netted him some $878,000 profit, a prosecutor for U.S authorities seeking his extradition said on Thursday. Navinder Sarao, arrested by British police on a U.S. warrant last April, has been indicted by a U.S. federal grand jury on 22 criminal counts including wire fraud, commodities fraud and attempted price manipulation. Mark Summers, for the United States, said