Chinese ship attacked and sank a Vietnamese fishing boat near Paracel Islands - 26th May, 2014

This a video clip captured by fishermen near Paracel Islands. It shows that a very big Chinese ship attacked and sank the Vietnamese fishing boat. 
They acted like the pirates.

At 4pm 26th May, 2014, 40 Chinese fishing vessels chased and then a vessel number 11209 collided a Vietnamese fishing boat number DNA 90152, sank it, 17 nautical miles in the South West of where Chinese oil rig Haiyang Shiyou 981 deploying.
Location where Vietnamese fishing boat 90152 sunk is the traditional fishing grounds, under the exclusive economic zone and continental shelf of Vietnam. 
Ten fishermen of DNA 90152 were rescued by other Vietnam fishermen nearby.