(NewsNation) — A memorial for assassinated conservative activist Charlie Kirk will be held on Sept. 21, a person familiar with the details told NewsNation.

Details on public attendance are unclear, and the person did not specify a funeral date.

There will be private events in the days prior, including a prayer vigil in Washington, D.C. on Sunday.

Members of Congress and other political figures will hold a memorial service and prayer vigil this day at 6 p.m. ET near the White House and United States Capitol.

"This service will be a unifying event focused on prayer, mourning, and celebrating the life, legacy, and memory of Charlie Kirk — a national treasure whose life was cut far too short," a press release from Arizona state Sen. Jack Hoffman, a Republican, said.

Kirk, the 31-year-old

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