THIS is the haunting last picture taken of a student nurse before she vanished four weeks ago. Cops have now arrested three people after Owami Davies, 24, disappeared from Derby Road, West Croydon, on July 7 just after midnight.

PAStudent nurse Owami Davies, 24, who has been missing for four weeks '/ '

PAOwami in a shop on Derby Road, West Croydon on the night she disapeared '/ '

PAA police tent on Derby Road, West Croydon, London '/ ' A 32-year-old was arrested on suspicion of murder on Tuesday at an address in South Croydon and remains in custody, Scotland Yard said on Wednesday. It comes after two men, aged 23 and 27, were arrested in the Croydon area on suspicion of murder on Monday. Owami's mother today spoke directly to her daughter in a statement. She said: "There are many friends and family who love and care for Owami and all of them want to see her safe return. "Owami \- if you see this appeal please believe you are not in any trouble, we just want you to come back to us. "Please leave a message if you can to let us know you are okay, we are so very worried about you. ...This is such a terrible time for all those who love Owami and I am pleading for anyone who can help find her to contact police. "Every day we hope to hear the news that Owami is coming back to us, your help might make it so." Most read in News WAR GAMES Chinese drills INVADE Taiwan waters fuelling WW3 fears during Pelosi visit DEADLY RAMPAGE Shock past of 'knifeman who shared posts about killing before tubing attack' DEATH PLUNGE Pilot's chilling words reveal what happened before flight instructor's death TUBING HORROR 'Killer says he stabbed teen to death & hurt 4 others' in fight over a PHONE SPECTATOR SCARE Chaos at AAU Junior Olympic Games with screaming kids seen fleeing in panic RISKY MOVE Brittney Griner inmate swap with Russia is 'like negotiating with hostage taker' Police today released images of Owami on the night she was last seen in a shop and CCTV of her walking in Derby Road. In particular, cops are keen to speak to a potential witness \- the driver of a white van that was parked in Derby Road. They say Owami was in the company of a man and crossed the road just as the van pulled out. Detective Chief Inspector Nigel Penney, said: "We are working hard to find Owami but we really do need the public's help. Owami is very vulnerable and the longer she is missing the more we worry that she has come to harm. ...As a result of extensive CCTV enquiries we have a clearer idea of Owami's movements, but we still need the public to contact us and tell us what they know. "We would obviously like to speak to the driver of the white van that passed Owami in Derby Road, but anyone with information should call. "You can call and speak to officers, or if you prefer you can contact Crimestoppers who will never ask your name, trace your call or IP address. ...They are 100% anonymous and you can call them in complete confidence. Owami's family are living through a nightmare and are desperate for news. "I would ask anyone who thinks they can help to come forward \- as the days pass the anxiety of Owami's family will only get worse and your call could be the one they are praying for." Any witnesses or anyone with any information is asked to call police on 101 or contact via Twitter @MetCC. Please quote reference 22MIS025307. To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org