Beijing and Taipei have spoken out after Tesla chief executive Elon Musk said Taiwan should become a special administrative zone of China.

The world's richest man said in a Financial Times interview he believed the two governments could reach a "reasonably palatable" arrangement.

China's ambassador to the US praised Musk but his Taiwanese counterpart said freedom is "not for sale". Taiwan rules itself but Beijing claims it as part of its territory.

Last week, Mr Musk also drew criticism for posting a Twitter poll with his suggestions for ending the war between Russia and Ukraine, including Kyiv giving up territory to Moscow.

He weighed in on heightened China-Taiwan tensions in a wide-ranging interview with the UK business newspaper the Financial Times, which was published on Friday.

"My recommendation... would be to figure out a special administrative zone for Taiwan that is reasonably palatable, probably won't make everyone happy," he said.

"And it's possible, and I think probably, in fact, that they could have an arrangement that's more lenient than Hong Kong." he added