Conservative commentator Charlie Kirk has been shot and killed at an event at Utah Valley University, Donald Trump says.
Kirk was a close ally of the US President.
A Utah Valley spokesperson said Kirk was shot in the neck and taken to hospital. Video from the scene showed a large crowd fleeing after a single shot rang out.
Follow live updates on our blog at the top of this page.
Sign up for Ngā Pitopito Kōrero, a daily newsletter curated by our editors and delivered straight to your inbox every weekday.