WATCH: Exclusive video of Fort Bonifacio explosion

ABS-CBN was able to capture on video the explosion that hit the Army Support Headquarters in Fort Bonifacio on Wednesday morning. ABS-CBN cameraman Tani Dionisio and reporter Raffy Santos were reporting on the fire when the explosion occurred. Capt. Anthony Bacus, Army deputy spokesman, said the fire started in the office of the Army's Explosive and Ordnance Disposal at around 10:30 a.m. A powerful explosion then rocked the building at around 11 a.m. Warning: The video shows graphic scenes of injured soldiers and firemen. -- ABS-CBN News video, May 7, 2014