A third man has been arrested on suspicion of murder by detectives searching for a student nurse who went missing in south London, the Metropolitan Police said.
Owami Davies, 24, from Grays, Essex, left her family home almost a month ago on 4 July.
She was last seen just after midnight on Derby Road, West Croydon, on 7 July but has not been seen since.
The force said a 32-year-old man was arrested at an address in South Croydon on Tuesday in connection with her disappearance.
It follows the arrest of two men, aged 23 and 27, in the Croydon area on suspicion of murder on Monday.
They remain in custody at a south London police station.
Detectives from the Met’s Specialist Crime Command were searching a property in Derby Road on Wednesday as part of their enquiries.
Announcing the latest arrest, the Met Police said: “This remains a missing person investigation and our priority is finding Owami.”
The force added: “Owami’s family are being kept updated about the progress of the investigation.”
Witnesses or anyone with any information about Ms Davies’ whereabouts can call police on 101 quoting reference 22MIS025307 or Crimestoppers anonymously on 0800 555 111.