An alleged leak of US classified military documents reportedly contains information suggesting 50 UK special forces have been deployed alongside other western forces in Ukraine.
The Ministry of Defence says there is “a serious level of inaccuracy” in leaks which claim UK special forces have been operating in Ukraine.
The claims have been widely reported after US classified military documents were allegedly leaked and published online.
A Ministry of Defence spokesperson has warned against taking allegations contained in the reported leak at “face value”.
A spokesperson said in a message posted on Twitter: “The widely reported leak of alleged classified US information has demonstrated a serious level of inaccuracy.
“Readers should be cautious about taking at face value allegations that have the potential to spread disinformation.”
Media outlets have reported that a document, dated 23 March, indicates as many as 50 UK special forces personnel have been deployed to the country alongside other western special forces.
But the document reportedly does not state where the allegedly deployed forces are located or what they are doing.
Chris Meagher, a spokesman for the Pentagon, has urged caution in “promoting or amplifying any of these documents”, adding that “it does appear that slides have been doctored”.
The documents may first have been published in a chatroom on Discord, a social media platform popular with gamers, Associated Press reported.
An unidentified chatroom user shared documents that were allegedly classified, first typing them out with their own thoughts, then, as of a few months ago, beginning to post images of papers with folds in them.
The posts appear to have gone unnoticed outside of the chat until a few weeks ago, when they began to circulate more widely on social media.
Many details shared by the person have not been independently verified and the original chatroom has been deleted.
Asked on Monday if the US government was effectively waiting for more intelligence documents to show up online, National Security Council spokesman John Kirby replied: “The truth and the honest answer to your question is: We don’t know. And is that a matter of concern to us? You’re darn right it is.”
It comes after the US defence department began investigating who is responsible for the potentially damaging leak.