US President Donald Trump is set to speak at slain right-wing political commentator Charlie Kirk’s memorial service this weekend. 

The event is being held at a stadium in the US state of Arizona, with security restrictions set to be tight. 

Here’s what we know about the event.

When is Charlie Kirk’s memorial service?

His organisation Turning Point USA has planned a public event called “remembering Charlie Kirk”, which will be held at 11am on Sunday, local time. 

That’s 4am AEST on Monday.

US broadcaster Fox is referring to the event as a funeral, while other outlets are describing it as a memorial service. 

It’s unclear whether Mr Kirk’s family is planning a private funeral service or burial, however Mr Kirk’s wife Erika Kirk will be speaking at the weekend’s service. 

Mr Kirk’s body was flown from Utah to Arizona, where he lived with his family, on US government plane Air Force Two last week. 

Mourners set up a makeshift memorial outside the mortuary where his body was taken. 

Vigils have been held for Mr Kirk throughout the US and other countries, including a service held at the University of Queensland. 

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Where is Charlie Kirk’s memorial service? 

It’s being held at State Farm Stadium in Glendale, Arizona. 

Organisers are expecting the stadium seats to fill up, with a plan for mourners who can’t fit in the stadium to be seated in the nearby Desert Diamond Arena.  

A cluster of candles, flowers and American flags wedged into a rock garden beside a footpath

Mourners gathered outside the Arizona morgue to pay tribute to Mr Kirk.  (Reuters: Thomas Machowicz)

Where can I watch Charlie Kirk’s memorial service in Australia?

It will be live-streamed from Mr Kirk’s Rumble channel, Turning Point USA says on a webpage about the service. 

US broadcaster Fox will also be broadcasting the event. 

What did Charlie Kirk stand for?

Assassinated right-wing activist Charlie Kirk was an icon for young conservatives in the USA and Australia.

Who is going to Charlie Kirk’s memorial service?

US President Donald Trump and Erika Kirk are listed as the main speakers on the memorial service’s website along with US Vice-President JD Vance. 

The line-up of speakers includes:

White House chief of staff Susie WilesSecretary of State Marco RubioSecretary of Health and Human Services Robert F Kennedy JnrSecretary of War Pete Hegseth Direction of National Intelligence Tulsi GabbardDonald Trump JnrPolitical commentator Tucker CarlsonWhite House deputy chief of staff for policy Stephen MillerWhite House presidential personnel office director Sergio Gor

There will also be appearances from musicians including:

Chris TomlinBrandon LakePhil WickhamKari Jobe CarnesCody Carnes

The stadium will be open for members of the public to attend on a first-come, first-serve basis. 

Attendees are being asked to follow a dress code of “Sunday best — red, white or blue”.

A graphic that says "building a legacy remembering Charlie Kirk" with photos of Erika Kirk, Donald Trump and JD Vance

Mr Kirk’s wife Erika Kirk, US President Donald Trump and US Vice-President JD Vance will speak at the service.  (Supplied: Turning Point USA)

What will security be like at the service?

Attendees are being warned to expect the kind of security screenings you see at airports.

“Please be advised that enhanced security measures are in place, which may result in longer wait times than usual,” the website says. 

People won’t be allowed to bring bags into the stadium, with the website saying people will bags will be told to leave them in their cars and rejoin the line. 

Prams will also be banned. 

There’s a long list of prohibited items on the website, including:

aerosolsammunitionanimals other than service/guide animalsbagsballoonsbicyclescoolerscostume masksdrones and other unmanned aircraft systemsexplosivesfirearmsflammable liquidsglass thermal or metal containerslaser pointersknivesmace/pepper spraypackagesrange findersrecreational motorised mobility devicesselfie stickssigns and postersstructurestoy gunstripodsweapons of any kind

The website says this isn’t an exhaustive list, however, warning that “any other items determined to be a potential safety hazard” will be banned.