Sailing in Australia’s exclusive economic zone, the three vessels were not breaking international law, but they were unusually far south on an undeclared mission.

The Australian and New Zealand militaries are monitoring three Chinese warships that are moving unusually far south along Australia’s east coast on an unknown mission

Australian officials said the ships were "off the east coast of Australia" and their presence there was unusual.

Australia and New Zealand are monitoring a group of Chinese naval vessels spotted in international waters near Sydney, the countries’ defence ministers said on Thursday. Three Chinese vessels are traveling down the eastern coast of Australia,