Jordan’s government on Wednesday formally outlawed the Muslim Brotherhood—the country’s most organized opposition movement—and moved to seize all of its property, Interior Minister Mazen Fraya announced.

Jordan has arrested 16 members of the Muslim Brotherhood who were trained and financed in Lebanon and had plotted attacks on targets inside the kingdom involving rockets and drones, authorities said on Tuesday.

Jordan has outlawed the Muslim Brotherhood, seizing assets following alleged links to a sabotage plot. Interior Minister Mazen Fraya announced the ban, citing security threats. The group, historically significant with broad support,