Donald Trump clinches Republican nomination

US Republican presidential candidate Donald Trump has reached the number of delegates needed to secure the party's presidential nomination.

Donald Trump. Picture: AP

Associated Press’s delegate count has him reaching the quota thanks to a small number of the party’s unbound delegates.

Mr Trump, who defeated 16 other Republican contenders, reportedly has 1,238 delegates – one more than needed.

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Republicans are expected to finalise their nomination at a convention in Cleveland in July and the New York real estate mogul will not be officially named as the Republican hopeful until the event.

While his closest presidential rivals – Ted Cruz, John Kasich and Marco Rubio – have yet to free delegates pledged to support them, Mr Trump can win the prize with or without their help.

Mr Trump’s Republican rivals have long called him a “New York liberal” who can’t be trusted to uphold their Republican values. Mr Trump describes himself as a “commonsense conservative” and his message has earned him millions of Republican votes.

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