The public have been warned not to approach John Tomlin, 24, who is being sought after the pair were struck with a corrosive substance as they sat in a car at traffic lights.

Scotland Yard said Tomlin, who has distinctive tear drop and dagger face tattoos, is around six feet tall and is known to frequent the Canning Town area of the East End.

The attack in Beckton in east London on June 21, Miss Khan's 21st birthday, left her and her 37-year-old cousin with serious burns to their faces and upper bodies and requiring hospital treatment.

Miss Khan has also suffered damage to her left eye and Mr Muhktar was temporarily placed in a coma.