BEIJING, Dec 9 (Reuters) - Japan is threatening China militarily which is "completely unacceptable", Chinese Foreign Minister Wang Yi told his German counterpart, after Japan said that Chinese fighter jets had aimed their radar at Japanese military aircraft.

Japan and Germany are strengthening their militaries as they seek to increase defense readiness amid tensions with larger neighbors.

In a world beset by conflict in the Middle East and an enduring war in Ukraine, tensions are again heating up in East Asia. Will cooler heads prevail?

The 15-year effort by Japan is a model for countries now scrambling to reduce their dependence on Beijing’s critical metals.

As China-Japan diplomatic row ripples into entertainment, over 30 Japanese performances have been abruptly cancelled, leaving millions of fans of Japanese culture in China worried about a potential broader cultural ban.

No end in sight to spat between Japan and China over Taiwan, as neither Tokyo nor Beijing shows signs of backing down.

The buildup comes as Beijing steps up pressure on Prime Minister Sanae Takaichi over her recent remarks suggesting Japan might intervene militarily if China were to attempt to seize Taiwan

Tokyo asks US to be more vocal in its support after Beijing reacted furiously to prime minister’s comments about Taiwan

The Japanese government is taking uncomfortable steps to prepare its citizens for a possible future war that its military would not be able to avoid.