This photograph taken on May 2, 2014 and released on May 7, 2014 by the Vietnamese Foreign Ministry shows a China Coast Guard ship (right) using a water cannon on a Vietnamese ship in the disputed waters in the South China Sea, also known as the West Philippine Sea. AFP PHOTO
BEIJING: Beijing on Thursday swatted blame back to Hanoi after it accused Chinese ships of ramming Vietnamese vessels in disputed waters, the latest escalation in territorial disputes involving the Asian giant.