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.

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.

Police in Britain early Tuesday arrested a 21-year-old man accused of setting fires to three north London residences this month, including a home owned by Prime Minister Keir Starmer.