Thousands of people will gather on Sunday (Monday AEST) to honour the life of assassinated conservative activist Charlie Kirk at a memorial service expected to underscore his indelible influence on American politics.

With a lineup of speakers from the highest levels of the US government, including President Donald Trump, Kirk's memorial is poised to resemble something akin to a state funeral for the US conservative movement, carrying with it all the gravity – and security concerns – such an occasion entails.

The Secret Service will be the lead agency co-ordinating security at the massive event, which Glendale police estimated could draw more than 100,000 people.

Here's what we know about the memorial and security around it:

The service and speakers

Kirk's memorial service will b

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