GOMA, Congo (AP) — Islamic State-backed rebels attacked a Catholic church in eastern Congo on Sunday, killing at least 34 people, according to a local civil society leader.

According to the BBC, members of the Allied Democratic Forces (ADF) stormed a church in the town of Komanda, where they shot and killed the worshippers.

Pope Leo XIV mourned those killed in the violent attack on a Catholic Church in the Congo on Sunday by ISIS-backed rebels. The pontiff expressed sympathy and regret over the murders and wished for peace in the region.