MAGUINDANAO --- A mayor is prosecuting four Iranun fishermen caught using dynamites in a protected fishing site at the Moro Gulf.Mayor Ibrahim Ibay said Monday the four men, relatives Rashid, Milham, Mohajier and Totok, all surnamed Kusain, also yielded components for dynamites when they were arrested last week while setting off an explosive to kill fishes in coral reefs in territorial waters of the municipality of Parang.Ibay, citing police reports, said all four men are residents of Kalanganan area in nearby Cotabato City.Ibay said the protected marine sites in Parang are open to all, but