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

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.

At 6 p.m. ET today, a memorial service paired with a prayer vigil will be held by Congress members and various political figures at a location near the White House and the United States Capitol.

“This gathering will serve as a unifying moment dedicated to prayer, mourning, and honoring the life, legacy, and memory of Charlie Kirk, a national treasure whose life was tragically cut short,” according to a press release from Arizona state Senator Jack Hoffman, a Republican.

Charlie Kirk, who was the 31-year-old founder of the political group Turning Point USA, was shot and killed during an event at Utah Valley University on September 10. Tyler Robinson, aged 22, was apprehended as a suspect two days following the incident.

“The President has made it clear that the individual responsible for this heinous crime will face consequences. They will encounter the full might of the American justice system. Furthermore, any other individuals engaging in politically motivated violence, similar to the tragic assassination of Charlie Kirk, will be brought to justice to the fullest extent,” stated Abigail Jackson, a spokesperson for the White House.

‘s Andrew Fischer Espitallier and Kellie Meyer contributed to this report.