A Hamas gunman opened fire near the Western Wall in Jerusalem on Sunday, killing a 26-year-old Israeli tour guide and injuring four more people. old Israeli tour guide and injuring four more people.

Eliyahu Kay, a 26-year-old immigrant from South Africa, was killed in the shooting, the Time of Israel reported. Kay had moved to Israel and served in the Israel Defense Forces (IDF) Paratroopers Brigade, until August 2019.

Police officers responding to the attack shot and killed the gunman, who was later identified as 42-year-old Fadi Abu Shkhaidem.

According to Haaretz, a spokesperson for Hamas — which the U.S. has designated as a terrorist organization — said Abu Shkhaidem was one of the group’s leaders in the Shuafat refugee camp.

Abu Shkhaidem appeared to disguise himself as an ultra-Orthodox Jewish worshiper. He was photographed holding a gun moments before the attack.