A Philippine military chopper made an emergency landing in northern province of Sorsogon Tuesday morning, official said. Southern Luzon Command spokesman Colonel Generoso Bolina said that the Naval Aviation Group executed emergency landing at the boundary of the villages of Sta. Cruz and San Rafael in Donsol town at around 10:00 a.m. local time. "All five passengers are safe," he said, adding that investigation has been ongoing regarding the incident.