Now playing Next USA Trump and Clinton edge closer to presidential face-off as Indiana looms Republican presidential nominee in waiting Donald Trump takes a 15 point lead into Tuesday's Indiana primary, according to opinion polls. 02/05/2016
Now playing Next USA Trump jokes about protest in California Hundreds of demonstrators attempted to disrupt a Republican convention in California on Friday where presidential candidate Donald Trump was due to 30/04/2016
Now playing Next USA Angry protest outside Trump rally in California There was a turbulent reception for Donald Trump in southern California on Thursday with some 20 demonstrators arrested outside a campaign rally by 29/04/2016
Now playing Next USA 'America First' - Trump outlines his foreign policy plan The US would go it alone under a President Trump 27/04/2016
Now playing Next USA Trump and Clinton register big wins in northeast primaries Trump rolls up victories in all five primaries Clinton clinches four Rivals still refusing to give up chase for delegates Donald Trump has swept 27/04/2016
Now playing Next world news "Rigged and broken" - Trump slams Republican primary system Trump slams rivals over pact to stop him Republican nomination system ‘rigged’ Cruz-Kasich deal ‘too late’ Donald Trump has described called the 26/04/2016
Now playing Next USA US Republicans Cruz and Kasich unite to stop Trump US Republican presidential hopefuls John Kasich and Ted Cruz are uniting to block front-runner Donald Trump from winning the party’s nomination. The 25/04/2016
Now playing Next USA Trump and Clinton are the big winners in New York Trump and Clinton score decisive wins in NY Both move closer to securing nominations Next stop – US northeast and five more primaries 20/04/2016
Now playing Next world news Trump and Clinton win New York primaries - media projections Media projections in the New York presidential nomination primaries have Republican front runner Donald Trump scoring a major win. Hillary Clinton is 20/04/2016
Now playing Next USA Donald Trump talks up 'New York values' amid protests against him US presidential contender Donald Trump has urged voters in his home state of New York to give him a big win next week, but his rivals warned 15/04/2016
Now playing Next USA Pay up or get out: Trump blasts NATO allies and Clinton responds US presidential contender Donald Trump has blasted NATO allies for not paying their fair share during a campaign rally 03/04/2016
Now playing Next USA Tensions rise between rival candidates in the US presidential race In a new row, Hillary Clinton's Democratic challenger has accused her of relying heavily on fossil fuel lobbyists 02/04/2016
Now playing Next USA US: Trump rows back after sparking abortion row US Republican presidential front-runner Donald Trump is no stranger to controversy – and now he has sparked off a spat over abortion. The billionaire 31/03/2016
Now playing Next USA Trump faces Republican backlash for Lewandowski battery charge Donald Trump faces backlash from Democrats and within his own party over a battery charge against his manager, Corey Lewandowski. 30/03/2016
Now playing Next world news Donald Trump's campaign manager charged with battery The campaign manager of US Republican presidential hopeful Donald Trump has been charged with battery. Corey Lewandowski (pictured above, left) is 29/03/2016
Now playing Next no comment Mexico: Donald Trump on fire An effigy of US Republican candidate Donald Trump is burned in Mexico City as part of an Easter ritual. REUTERS/Henry Romero 27/03/2016
Now playing Next USA Trump slams Iran and the UN while drawing fire from Clinton Republican presidential front runner Donald Trump vowed an unbreakable bond with Israel, slammed the nuclear deal with Iran and challenged the United 22/03/2016
Now playing Next USA Another Donald Trump rally, another protest turns violent The latest US presidential campaign meeting held by the Republican frontrunner in Tucson, Arizona was disrupted by two demonstrators, one of them a 20/03/2016
Now playing Next USA Anti-Trump protesters clash with police at Utah rally Donald Trump has said he believes he can secure enough backing to win the Republican US presidential nomination outright – and avoid a difficult 19/03/2016