In Sydney, Australia, thousands of people have gathered near the site of Sunday’s mass shooting in Bondi Beach to mourn the 15 people killed in an attack on the Jewish community on the first night of Hanukkah. At least 22 people remain hospitalized. The Sydney Opera House was illuminated with a Hanukkah menorah as memorial events honoring the victims were held across Australia.

On Tuesday, Australian Prime Minister Anthony Albanese said the father and son duo behind the massacre had traveled to the Philippines before the assault and were inspired by the Islamic State movement.

Prime Minister Anthony Albanese: “It would appear that there is evidence that this was inspired by a terrorist organization, by ISIS. Now, some of the evidence which is being procured, including the presence of Islamic State flags in the vehicle that has been seized, are a part of that radical perversion of Islam, is absolutely a problem.”