The number of Chinese operational nuclear warheads has increased by more than 100 to over 600, the Pentagon reported.

Satellite images reveal China is building a massive laser fusion facility, which can be used in nuclear weapons research as well.

China is building a large-scale laser-ignited nuclear fusion research facility in Mianyang to enhance both nuclear weapons design and clean energy production. The facility's design mirrors the National Ignition Facility in California.

China is building a gigantic laser-ignited fusion power laboratory that is 50pc larger than its US counterpart as the two superpowers spar for energy supremacy.

China is reportedly constructing a large fusion research facility in the southwestern city of Mianyang, which could contribute to nuclear weapons development and research into energy production capabilities,