Military spokesman Lieutenant Randolph Cabangbang said the Abu Sayyaf, a local Muslim militant group linked to the Al-Qaeda network, may have been behind the attack on the church in a police camp on Jolo island.
"There is a possibility that this could be the handiwork of the Abu Sayyaf because they have been perpetrating similar attacks against the Catholic Church" Cabangbang said.
"The explosion occurred at around 7:15 in the morning while the mass was going on. Six people were slightly wounded in the explosion," he said.
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