British prime minister Keir Starmer’s office urged calm on Tuesday after police announced the arrest of a Sudanese suspect in connection with a stabbing in a residential area of Belfast, Northern Ireland. Videos of the attack, which circulated widely online, drew national attention.

Officers from the Police Service of Northern Ireland (PSNI) were called to Kinnaird Avenue in the north of the city at around 10.30pm on Monday.

Officers from the Police Service of Northern Ireland (PSNI) were called to Kinnaird Avenue in the north of the city at around 10.30pm on Monday.

Man believed to be from Sudan arrested on suspicion of attempted murder