People wait in line before a memorial for conservative activist Charlie Kirk Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/Jae C. Hong)
People sit inside before the start of a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/John Locher)
People wait in line before a memorial for conservative activist Charlie Kirk Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/Jae C. Hong)
Dan Beazley stands with a cross at a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/John Locher)
People listen during a worship song before the start of a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/John Locher)
A supporter prays during a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/Ross D. Franklin)
A man holds a Bible outside before a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/Jae C. Hong)
A man listens during a worship song before the start of a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/Ross D. Franklin)
President Donald Trump gestures as he boards Air Force One at Joint Base Andrews, Md., Sunday, Sept. 21, 2025. en route to a memorial for conservative activist Charlie Kirk in Glendale, Ariz. (AP Photo/Luis M. Alvarez)
People hold up signs during a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/John Locher)
People watch as a band performs before the start of a memorial for conservative activist Charlie Kirk, Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/John Locher)
Posters of conservative activist Charlie Kirk are seen on chairs before his memorial Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/John Locher)
Bryson Levy waits in line before a memorial for conservative activist Charlie Kirk Sunday, Sept. 21, 2025, at State Farm Stadium in Glendale, Ariz. (AP Photo/Jae C. Hong)

President Donald Trump and his supporters are set to pay tribute to conservative activist Charlie Kirk, whose assassination has intensified political tensions in the United States. The 63,400-seat State Farm Stadium in Arizona quickly filled up Sunday with people dressed in red, white and blue, as organizers suggested.

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