South Korea scrambles jets as Chinese and Russian warplanes enter its air defence zone without breaching territorial airspace.

South Korea's air force scrambled fighter jets as nine Chinese and Russian military aircraft briefly entered its air defense zone on Tuesday morning, military officials said.

South Korea scrambles jets as Chinese and Russian warplanes enter its air defence zone without breaching territorial airspace.

Seoul's Joint Chiefs of Staff said Russian, Chinese planes entered its air defence zone during the joint exercise.

SEOUL: South Korea said it had lodged a protest with representatives of China and Russia on Wednesday, a day after Seoul said those countries’ warplanes had entered its air…

Seoul says it will "actively respond" to neighbouring countries' activities in its air defence zone.