Manila, Jan. 30 -- Authorities have arrested five foreign nationals suspected of engaging in intelligence, surveillance and reconnaissance (ISR) operations in the country.

Top officials from the National Bureau of Investigation (NBI) and Armed Forces of the Philippines (AFP) on Thursday presented to the media the five Chinese suspects as well as the equipment recovered from them.

Also presented were supposed video footage from drones and military-grade, high-resolution video cameras disguised to look like civilian security closed circuit TVs (CCTVs).

AFP chief Gen. Romeo Brawner Jr. said data collected from the solar-powered video cameras were "being sent real-time" to a remote location.

"That could be why in the past ships were alway...