USA US House Speaker Paul Ryan 'not ready' to back Trump He is the last man standing in the Republican presidential race. But presumptive nominee Donald Trump has split the party, with some senior figures 06/05/2016
USA Kasich crashes out of race leaving Trump unchallenged for Republican nomination A day after Ted Cruz, the main challenger to Donald Trump for the Republican US presidential nomination, pulled out of the race, Trump’s only 04/05/2016
USA Trump is Republican presumptive nominee after crushing Cruz in Indiana Trump all but seals deal for Republican nomination Cruz drops out of race Sanders win makes little impact on Clinton lead Donald Trump has become 04/05/2016
USA Destination Indiana in the presidential primary trail Trump – “win in Indiana and its over for rivals Confident Clinton focuses on presidential race Cruz still hopes to block Trump winning nomination 03/05/2016
USA Trump rubbishes Republican rivals over "collusion" Donald Trump has attacked his Republican rivals for teaming up to stop him from winning the party’s presidential nomination. The front-runner in the 25/04/2016
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
USA Clinton and Trump battle it out on home turf in New York primaries The road to the US presidential nominations has led to New York, with Democrat Hillary Clinton and Republican Donald Trump each billed to win on home 19/04/2016
USA Wisconsin: Cruz trumps Trump, Sanders scores against Clinton Ted Cruz and Bernie Sanders shook things up in the race for the US presidential nomination ahead of what is predicted to be a tough fight in the 06/04/2016
USA Breakthrough for Ted Cruz as he scores a double-digit win over Trump Cruz wins double-digit win over Trump Sanders builds on his recent run of wins Clinton needs to get back on track Wisconsin primaries have 06/04/2016
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
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
USA US: Donald Trump accused of stoking violence with 'divisive rhetoric' A man has been detained after an attempt was made to breach a security cordon as US Republican presidential contender Donald Trump addressed a rally 13/03/2016
USA After Chicago scuffles Donald Trump denies cancelling his latest rally in Ohio Republican front runner, Donald Trump, cancels a second consecutive campaign rally after violence breaks out days before new primaries 12/03/2016
USA Bloomburg refuses to stand as independent in US presidential election Former New York Mayor Michael Bloomberg has said he will not be standing as an independent candidate in November’s US presidential election. The 08/03/2016
USA US election: Are Republicans heading for a two-man race? Outspoken frontrunner Donald Trump and Texas Senator Ted Cruz shared the spoils in Super Saturday’s voting contests to find a US Republican 06/03/2016
USA Ted Cruz: populism, conservatism and religion in the race for The White House On the night of February 1 the Republican senator, Ted Cruz enjoyed his one and only victory to date over Donald Trump who is topping the polls as 01/03/2016
USA Watch: Photographer thrown to the floor at Donald Trump rally Things are heating up ahead of Super Tuesday on the US campaign trail. Video footage has emerged seemingly showing Chris Morris, a Time magazine 01/03/2016
USA Trump and Clinton 'confident ' going into Super Tuesday Donald Trump may be looking stronger than ever as he goes into Super Tuesday but his popularity among Republicans continues to be dogged by 01/03/2016
World Super Tuesday heading towards a Trump-Clinton face-off As we look ahead to Super Tuesday, when the primary season goes national, we are joined by our Washington correspondent Stefan Grobe. Hello Stefan 29/02/2016