Michelle Obama has expressed her support for John Lewis following President-elect Donald Trump's recent attack on the civil rights icon.

Mr Lewis, 76, a contemporary of Martin Luther King, who was badly beaten by police when marching in Selma, Alabama in 1965, said last week that Mr Trump was not a "legitimate president".

The president-elect responded by saying Mr Lewis was "All talk, talk, talk - no action or results".

On Monday, which is Martin Luther King Day, the first lady tweeted: