Putin directly said it was the British doing the USA's dirty work.
Take these articles with a grain of salt as its all I could be bothered to quickly find with a quick google search but I remember there was some controversy after Nordstream 2 was blown up around hacked messages from the UK PM, Liz Truss', phone to Biden saying "It's done" immediately after the pipeline was destroyed. The fact that the BBC, which certainly isn't pro-Russia and indeed a mouthpiece for the British establishment had to comment on it says a lot.
The Mail on Sunday claims the ex-prime minister's phone was hacked while she was foreign secretary.
www.bbc.com
After the Nord Stream gas pipeline was blown up last month (Sept 26), questions have been raised over who did it. Both the West and Russia agreed it was sabotag
www.financetwitter.com
On top of that Sweden & Denmark both made investigations into the sabotage and concluded the damage was done by explosions and then suddenly clamped up and are refusing to elaborate any further. Why would they do that if it was Russia?
And let's not forget Biden has literally put out a statement that if Russia invaded Ukraine he wouldn't allow Nordstream to go ahead.
Since Russia began deploying troops to the Ukrainian border, the United States has worked closely with our Allies and partners to deliver a strong,
www.whitehouse.gov
It's all circumstantial and hearsay but it's also all pointed in one direction and there doesn't seem to be any pointing at Russia other than "madman Putler fucked himself over to own the West".