Three more incidents of antisemitic graffiti were found across Sydney on Thursday morning, leading Australian political leaders to warn of an escalation in hatred and decry as terrorism explosives found earlier in a trailer on the city’s outskirts.

Police in Australia say they have seized explosives that they believe were intended for a plot to target Jews. The explosives, as well as material containing details about Jewish institutions, were found earlier this month in a camper van in a suburb of Sydney.