TAIPEI -- A fishing boat from Guangdong Province was seized Saturday morning by a Taiwan patrol in waters near Penghu County in southeast Taiwan, local authorities said.

A total of seven crew members were on board the ship. Two were injured by rubber bullets fired from the patrol boat, and required hospital treatment. Their condition is described as stable. The other five are under arrest.

Taiwan media reported that the boat was fishing in waters about 23 nautical miles west of Huayu, Penghu's westernmost island at about 5:30 a.m. Saturday morning.

An investigation is under way.