Photo Credit: APChina has sent warplanes to its newly declared air defence zone in the East China Sea, state media reports.
The vast zone, announced last week, covers territory claimed by China, Japan, Taiwan and South Korea.
China has said all planes transiting the zone must file flight plans and identify themselves, or face “defensive emergency measures”.
But Japan, South Korea and the US have all since flown military aircraft through the area.
The new dispute in an already tense region has raised concerns it could escalate into an unplanned military incident.
Read more from this story HERE.