Relatives, companions and supporters of US right-wing activist Charlie Kirk, including US President Donald Trump and Vice President JD Vance, will remember him at a public memorial service.

The service for Kirk, whom Trump credits with playing a pivotal role in his 2024 election victory, is expected to draw tens of thousands of mourners, including senior White House officials and young conservatives shaped by the 31-year-old firebrand.

The event will take place at 11am on Sunday (4am Monday AEST) at a football stadium, with a capacity of 63,400, in Glendale, Arizona, where Kirk lived with his family.

Tens of thousands of mourners are expected to attend, with Trump and Vance scheduled to speak alongside Kirk's widow Erika, with very tight security precautions expected.

Kirk's assassinat

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