Two White House officials were responsible for handing Devin Nunes information suggesting Donald Trump and his team were spied on by US intelligence agencies, reports suggest.
The revelation is likely to renew pressure on Mr Nunes, the chairman of the House of Representatives Intelligence Committee, who has already been accused of being too close to Mr Trump - despite being in charge of a supposedly independent inquiry into the US President's alleged links with Russia.
The California congressman sparked controversy earlier this month after claiming he had seen evidence that backed up Mr Trump's claims he had been spied on by US agencies.
More follows.
