Manila, July 22 -- A Vietnamese boat captain was wounded after allegedly resisting arrest while Philippine authorities are investigating him and three others aboard a fishing boat off Turtle Islands municipality in Tawi-Tawi, an official said Wednesday. Maj. Alpaser Haber, Turtle Islands municipal police chief, identified the wounded Vietnamese boat captain as Nu Oi, who sustained a gunshot wound in the right leg. Haber identified the other three arrested Vietnamese as Ly Van Hon, Do Van Son, and Le Van Tao, all crewmen of a Vietnamese fishing boat with plate number 93842TS. Haber said the Vietnamese fishing boat was sighted fishing illegally around 1 a.m. Wednesday near the shore of Sitio Langaan, Barangay Poblacion, Turtle Islands town. H...