Two bombs were detonated during Sunday Mass at a Roman Catholic cathedral on the southern Philippine island of Jolo, killing at least 20 people and injuring 111 more, AP reports.

The big picture: While no group immediately claimed responsibility for the attack, it comes soon after minority Muslims in the region overwhelmingly voted to approve an autonomous Muslim region to attempt to quell a separatist movement that has killed 150,000 people over the past 50 years.

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