Man arrested over woman with head injury
Police are investigating whether a woman, who is in a critical condition in hospital, was the victim of an assault in east London.
Officers were called after the woman was brought to an east London hospital with a head injury on Saturday morning.
Police say the woman, who is believed to be in her thirties, may have been attacked in Romford Road, Forest Gate.
A man has been arrested on suspicion of grievous bodily harm and is in custody at an east London police station.