Navinder Singh Sarao is facing extradition and wanted by US authorities . He is alleged to have helped trigger a trillion dollar Wall Street 'flash crash ' Sarao will spend today in jail after failing to pay his £5m bail .
Navinder Singh Sarao is facing extradition and wanted by US authorities . He is alleged to have helped trigger a trillion dollar Wall Street 'flash crash ' Sarao will spend the weekend in jail after failing to pay his £5m bail .