Donald Trump wins delegates needed to become Republican presumptive nominee

He will formally accept the nomination at the Republican National Convention in July, by which point he could be in the remarkable position of being both a presidential candidate and convicted felon.

Republican presidential candidate former president Donald Trump (Mike Stewart, AP)

Donald Trump will lead the Republicans in a third consecutive presidential election after clinching the nomination on Tuesday.

With wins in Georgia, Mississippi and Washington state, Mr Trump surpassed the 1,215-delegate threshold needed to become the presumptive Republican nominee.