Russia is investigating whether sabotage experts from the United Kingdom’s Special Air Service (SAS) special forces have been deployed to western Ukraine.

Former members of the elite SAS regiment in a London bookshop in 1996 sign copies of their book, SAS: The Soldiers Story [File: PA Images via Reuters]

© Provided by Al Jazeera

Former members of the elite SAS regiment in a London bookshop in 1996 sign copies of their book, SAS: The Soldiers Story [File: PA Images via Reuters]

Russia’s top state investigative body said on Saturday it was looking into a Russian media report alleging that the SAS had been sent to the Lviv region in Western Ukraine.

Russia’s RIA Novosti news agency quoted a Russian security source as saying that about 20 members of the SAS – an elite military force trained to conduct special operations, surveillance and counterterrorism