Residents in Pimlico, central London, were evacuated early this morning after a topless man allegedly attempted to break into flats while wielding a knife.
Police were called at around 1:44 a.m. after concerns for a woman's welfare.
Witnesses reported hearing loud arguments and footsteps on the roof above them.
The suspect, who was later identified as a 35-year-old man, was apprehended by police around 9:45 a.m.
He was arrested on suspicion of grievous bodily harm. A 35-year-old woman was treated for facial injuries.
Authorities have set up a crime scene as investigations continue, with the man remaining in custody.
