The confrontation began on May 2 when the state-owned China National Offshore Oil Corporation placed its deep sea drilling rig HD-981 in disputed waters of the South China Sea. As Vietnam objected, China deployed some 80 ships, including seven military vessels, along with aircraft to support the rig. Hanoi reacted by dispatching 29 ships to attempt to disrupt the rig’s placement and operations.
The situation escalated five days later, when Hanoi reported Chinese vessels used water cannon and rammed several Vietnamese patrol ships, injuring six crew members and damaging some of the ships. China claims a large part of the South China Sea and rejects rival claims from Vietnam, the Philippines, Taiwan, Malaysia and Brunei.
Read more: http://www.dw.de/china-determined-to-change-status-quo-in-south-china-sea/a-17620439