5 people including a police officer were killed in clashes with 10 suspected members of the Abu Sayyaf kidnap group on the resort island of Bohol, authorities said.

5 bodies have been recovered at the scene of the fighting, Philippine military spokesman Brigadier-General Restituto Padilla said on ABS-CBN television in Manila.

The Associated Press, citing military and police officials, however, reported at least 6 fatalities.

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“Extremists have targeted sporting events, theaters, markets, mass transportation systems–including airlines, and other public venues where large crowds gather. Crowded nightclubs, shopping malls, buses and popular restaurants have also been targets. US citizens should be mindful of the importance of taking preventative measures to ensure their safety and security while traveling and residing in the Philippines,” the USA embassy said.