Mourners including Elon Musk honored the life of prominent conservative activist Charlie Kirk, 31, at a memorial service in Glendale, Arizona.

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,

Kirk is being laid to rest at a public funeral following his assassination earlier this month.

President Trump wrapped up a long list of speakers at Charlie Kirk's memorial in Glendale, Ariz., where political and religious leaders praised his faith and political influence. NBC News' Garrett Haake reports from the packed State Farm Stadium.

President Trump and other top Republicans are set to speak at the Sunday service in Arizona.

Elected officials, faith leaders, Kirk's colleagues, and his loved ones addressed the crowd at State Farm Stadium, with thousands of supporters holding up signs and chanting "USA." The crowd cheered former Kirk Chief of Staff Mikey McCoy as he quoted theologian and philosopher Søren Kierkegaard: "The tyrant dies and his rule is over.

President Donald Trump and his supporters will pay tribute to conservative activist Charlie Kirk, whose assassination has intensified political tensions in the U.S. The memorial service Sunday in Arizona is expected to draw a large crowd to hear from Trump,