Authorities in Britain have arrested a third suspect in connection with a fire set at a home owned by Prime Minister Keir Starmer.

Police have arrested a second man in connection with three attacks targeting the Prime Minister, on suspicion of conspiracy to commit arson with intent to endanger life.

Sir Keir Starmer's home, as well as a flat and a car (pictured) he previously owned, were targeted in suspected arson attacks in London between May 8 and 12.