British police say they have arrested a man on suspicion of arson with intent to endanger life over a fire at the London house where U.K.

Keir Starmer’s ‘firebombed’ house in north London ‘being rented by his sister-in-law’ - 21-year-old suspect held on suspicion of starting fires at two homes and a car linked to Prime Minister

A 21-year-old suspect was arrested Tuesday after the private London home of U.K. Prime Minister Keir Starmer was damaged by a "suspicious" fire, reports say.