ZAMBOANGA CITY: A member of a police bomb squad was killed in one of the explosions that also toppled a steel pylon in the southern Philippine province of Lanao del Norte on Friday.The National Grid Corp. of the Philippines (NGCP) confirmed the bombing of Tower 14 of the Baloi-Aurora 138-kilovolt (kV) transmission line in the village of Paiton in the town of Kauswagan. It said the attack targeted the transmission line. A second explosion from an improvised explosive killed the policeman.