Unidentified gunmen opened fire at a van along EDSA highway in Metro Manila's Mandaluyong City.
Local police said a woman, who sustained serious injuries from the shootout, is under medical care.
Checkpoint security checks in Metro Manila have intensified as the election gun ban is currently in place.
Officials said they are yet to determine the identity of the suspects and their motive for the attack.

At least 47 dead in eastern Indonesia after magnitude 7.7 quake
Kuwait, Bahrain strongly condemn Iranian attack on ADNOC vessels
Yemen's Mocha port halts operations after Houthi attacks, port director says
Israeli strikes kill 11 in south Lebanon, health ministry says
