MANILA — The Philippines will file a diplomatic protest with China over a recent incident involving Air Force planes in airspace over a South China Sea shoal, Manila’s Foreign Secretary Enrique Manalo said on Monday. READ: AFP condemns China air force for ‘dangerous’ acts in South China Sea | Philippines says actions of China air force ‘illegal’ and ‘reckless’ The Southeast Asian nation will continue maritime patrols in South China Sea despite the “dangerous and provocative” actions of China’s air force last week, military chief Romeo Brawner told reporters. —Reporting by Manila bureau; Editing by John Mair.