Five men accused of killing 50 worshippers and wounding over 100 others in a terrorist attack on a catholic church in Owo, Southwestern Nigeria in 2022, pleaded not guilty during their arraignment Monday.

The men allegedly joined the East African terrorist group Al Shabaab in 2021. They plotted the attack on Owo's St Francis Catholic Church near a mosque in the area, according to court filings seen by Reuters.