Thousands of mourners, including President Donald Trump, attend the memorial service for conservative activist Charlie Kirk on Sunday.

A drone view shows people gathering to pay tribute to slain conservative commentator Charlie Kirk at the headquarters of Turning Point USA, ahead of a memorial service for him which is to be held on September 21,

Donald Trump and top officials from his administration joined tens of thousands in Arizona for Kirk's funeral.

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,

Thousands exited State Farm Stadium in Glendale during the memorial service for Charlie Kirk after President Trump took the stage.

President Trump and top leaders of the modern conservative moment paid tribute to Charlie Kirk in Glendale, Ariz., on Sunday. The 31-year-old founder of Turning Point USA was honored with worship, music and speeches from friends,

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,

U.S. President Donald Trump speaks as he arrives in Arizona to attend a memorial service for slain conservative commentator Charlie Kirk at State Farm Stadium, at Luke Air Force Base, Arizona, U.S., September 21,