Online searches for “How to impeach a president” have surged since it was announced Donald Trump had won the US election.

Just hours after the result, Americans have been flocking to Google to ask how they can challenge the outcome and put stop Mr Trump from becoming president.

According to Google Trends data, the question has seen a 4,850 per cent rise in Google searches, with the top five states questioning how to impeach Mr Trump being Hawaii, California, Oregon, Washington, and Colorado – all Democrat voting states.