At least 10 people were killed on Sunday, at Bondi Beach, Sydney, Australia.
Two gunmen shot and killed 10 and injured another 16 people.
Some locals have called this the worst attack since 1995.
A video went viral of an unarmed man disarming one of the shooters.
The motive of the two shooters is still unknown, but those attacked were attending a Hanukkah event.
Picture: Face of the man believed to be one of the shooters.