Voters in 5 US states have been casting ballots this Tuesday as the race to decide who will run for the White House reaches a crucial point.
Meanwhile, Ohio Governor John Kasich, a Republican candidate, has to win in his home state if he's to stay in the race - he says he didn't want to use negative campaign tactics:
Republicans and Democrats in Florida, Illinois, Missouri, North Carolina and Ohio have all been going to the polls, with Donald Trump hoping for a clean sweep that would put his nomination beyond doubt.
Hillary Clinton's also hoping to strengthen her lead over Bernie Sanders on the Democratic side.
And speaking in North Carolina, the former Secretary of State said she's ready to take on Donald Trump too:
IN: As of now...
OUT: ...as I can
DUR: 23 seconds
IN: We all know...
OUT: ...over the country
DUR: 19 seconds
At a St. Patrick's Day reception for the Irish Prime Minister in Washington DC, President Obama said he's concerned at how ugly the campaign has become:
IN: Corrosive behaviour can...
OUT: ...for reversing it
DUR: 23 seconds
These Republican voters in Illinois and Florida had mixed views about who deserved their ballot:
IN: I believe in...
OUT: ...for Marco
DUR: 28 seconds
These Republican voters in Illinois and Florida had mixed views about who deserved their ballot:
IN: I believe in...
OUT: ...for Marco
DUR: 28 seconds