Hanoi on Friday accused a Chinese oil survey vessel and its escorts of violating its sovereignty and demanded that China remove the ships from Vietnamese waters.
NgoLwesihlanu uHanoi usole umkhumbi waseShayina wokuhlola uwoyela nabaphelezeli bawo ngokwephula ubukhosi bawo futhi wafuna ukuthi iShayina  isuse le mikhumbi emanzini yaseVietnam.