Russia was behind arson attacks targeting PM, BBC reveals

Even after he set fire to Sir Keir Starmer's house, Roman Lavrynovych - convicted on Monday of conspiring to commit arson - seemed to know as much about the prime minister as a bullet knows about its target.

His anonymous handler, known by the initials EL, gave a clue in a message: "Look, you attacked the home of a very high-ranking person in Britain. I'll send you money, you need to leave the city."

The 22-year-old Ukrainian builder had been weaponised to target the UK's head of government. But by who?

Our investigation has found the arson attack was just one part of an extensive campaign of sabotage, provocation and lies leading all the way to the Russian state.

The handler EL, who directed Lavrynovych, offered Russian citizenship in return for other attacks and glorified President Vladimir Putin, messages the BBC has uncovered show.

We have identified evidence suggesting that EL is a young Russian diplomat, schooled in information warfare by spies and propagandists, who is close to the highest levels of power in Moscow. His name is Evgeny Lyukshin. He is 23 and the son of a senior official.

Russian operatives ran their sabotage and provocation campaign remotely through social media and the messaging app Telegram, we found, creating fake online far-right and Muslim groups, which were used to organise acts of vandalism in the UK and stir up division and fear.

Accounts based in Russia posted lies about the motive for the arson attacks targeting Starmer, which were spread by figures such as far-right anti-Islam activist Tommy Robinson.