Security officials are investigating whether the three Ukrainian-born men accused of the arson attacks could be linked to Russia, reports say.

Counter-terror police are probing possible Russian involvement in a series of "arson attacks" at properties and a car linked to the Prime Minister. The trio of attacks on Sir Keir Starmer's family home,

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