Hillary Clinton vows to 'call out bigotry' as feud with Trump grows

US presidential candidate Hillary Clinton has said she will keep "calling out bigotry and racist rhetoric" as a feud with Donald Trump escalates.
The Democrat made the promise in a statement where she apologised for suggesting half of the Republican's supporters were "deplorable" people.

Mr Trump had responded by saying the comment was "insulting" to "millions of amazing, hard working people".

Mrs Clinton accepted that she had been "grossly generalistic".

Polls released earlier this week suggest Mr Trump is gaining on Mrs Clinton, and the rivals are neck and neck in the key battleground states of Ohio and...