Russia about to 'run out of steam' in Ukraine, says British spy chief

Richard Moore, chief of the Secret Intelligence Service, also estimated that about 15k Russian troops had been killed so far in its war in Ukraine, adding that was 'probably a conservative estimate'

Russia's military is likely to start an operational pause of some kind in Ukraine in the coming weeks, giving Kyiv a key opportunity to strike back, Britain's spy chief said on Thursday.

Richard Moore, chief of the Secret Intelligence Service (SIS) known as MI6, also estimated that about 15,000 Russian troops had been killed so far in its war in Ukraine, adding that was "probably a conservative estimate."

"I think they're about to run out of steam," Moore said, addressing the Aspen Security Forum in Colorado, adding that the Russian military would increasingly find it difficult to supply