CHINA has unveiled a terrifying new drone hailed as the world's deadliest unmanned combat aircraft.

With a range of up to 12,500 miles, the CH-5 can fly further than any other to carry out spying and bombing missions over several days.

Its payload includes smart bombs, missiles and high-tech radar jammers, The Daily Star reports.

The hardware was unveiled after a top US army chief claimed "World War Three with China is inevitable."

China recently declared the US as a real threat to Russian and Chinese security.

The CH-5 was revealed at a Chinese air show, the day after military chiefs unveiled a new stealth fighter jet