Russia has tested a new nuclear-powered cruise missile with an unlimited range, the country's top general said.

The nuclear-capable missile travelled 14,000km (8,700 miles) and was in the air for about 15 hours during the test on Tuesday, Valery Gerasimov, chief of the general staff of Russia's armed forces, told President Vladimir Putin on Sunday.

The Russian leader, whose full-scale invasion of Ukraine continues more than three years after it was launched, described the 9M730 Burevestnik (Storm Petrel) as "invincible" to current and future missile defences, with an almost unlimited range and unpredictable flight path.

Dressed in camouflage fatigues, in remarks released by the Kremlin, Mr Putin said: "It is unique ware which nobody else in the world has."

He said the "crucial

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