A memorial service for slain conservative commentator Charlie Kirk has begun in Arizona.

Mr Kirk was shot dead during a speaking event at a Utah university.

Among those expected to address the crowd at State Farm Stadium in Glendale, Arizona, are US President Donald Trump, Vice-President JD Vance, Mr Kirk's widow, Erika, and other prominent figures from American conservative politics.

High-profile guests, including Elon Musk, attended the service.

Mr Kirk, 31, was a prominent figure within the right of American politics and was widely credited with appealing to younger Americans.

He sought to push conservative messages through a mix of social media platforms.

Tyler Robinson, 22, has been charged with aggravated murder in relation to Mr Kirk's death.

Earlier on Sunday, Prime Minister

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