Manila, Oct. 29 -- The Civil Aviation Authority of the Philippines (CAAP) has reminded travelers not to make bomb jokes, as it placed all its personnel on heightened alert across all airports nationwide during the observance of All Saints' Day and All Souls' Day.

"Huwag kayong gagawa ng bomb joke sa loob ng terminal o sa loob ng eroplano dahil maraming mapiperhuwisyong pasahero (Don't make bomb jokes inside the terminal or on the plane because many passengers will be inconvenienced)," CAAP spokesperson Eric Apolonio said in a Bagong Pilipinas Ngayon interview on Tuesday.

Under Presidential Decree 1727, making bomb jokes or false bomb threats is a criminal offense and carries penalties of up to five years imprisonment, or a fine of up to...