[International]- Russia & China jets fly between Japan & Korea, Korea fires at Russia jets, angry at Russia & China, Japan angry at Korea Russia China

[UltimaOnline]

Both Korea & Japan claim the airspace, while Russia & China claims it's international airspace.

Both Korea & Japan scrambled their own fighter jets to chase away the Russia & China jets.

All 4 countries lodging complaints against each other (other than buddies Russia & China).

https://www.google.com.sg/search?q=korea+japan+china+russia+airspace+aircraft