Missing Ella Hysom, 15, disappeared after being treated for depression Ella Hysom was last seen on Monday in Ilford, East London The 15-year-old was recently treated in hospital after suffering depression Police are 'extremely concerned' for the teenager's welfare Police are 'extremely concerned' for the welfare of a missing teenage girl who has recently been released from hospital after suffering depression. Ella Hysom, 15, was last seen at about 1pm on Monday in Ilford, East London. The teenager had been visiting Goodmayes but is from Colchester, in Essex. Missing: Police are 'extremely concerned' for Ella Hysom who has gone missing after she was recently released from hospital after suffering depression Police are appealing for information to trace her and have said they are 'extremely concerned for her welfare'. She was only recently released from hospital after suffering from depression. She is 5ft 9ins tall and was wearing blue jeans, Ugg boots, a green coat and a jumper when she was last seen. A Metropolitan Police spokesperson said: 'Redbridge police, who are leading the investigation, are extremely concerned for her welfare. Any members of public who have seen her or anyone with information should contact Redbridge police immediately on 020 8345 2710, the police non-emergency line on 101, or Missing People on 116 000. Ella was last seen at about 1pm on Monday in Ilford, East London. She had been visiting Goodmayes but is from Colchester, in Essex