text: Isobel Attwood, 16, has been missing for two days . A missing 16-year-old schoolgirl who vanished from her home two days ago is believed to be with a man in his 20s. Isobel Attwood has not made contact with her family since leaving her home in Winchester, Hampshire, on Saturday afternoon. Police are appealing for help to find the schoolgirl who is described as white, 5ft 4ins tall, of a 'small build' and has brown hair with extensions. Friends have posted on social media saying the 16-year-old is in Southampton with a man in his 20s. Isobel wrote a message on Facebook last night, saying: 'Sorry for causing s*** for everyone. Anyone who’s had the police round theirs I’m sorry. I need to just get away for a while. I’m safe and feel bad for all this.' Heather Farquharson said: 'Apparently she's in Southampton with her boyfriend who is in his 20s.' Vicky Saunders said: 'Apparently she was on fb last night saying that she was safe and just needed to get away.' Officers are becoming concerned for the teenager's welfare. They believe she could be in the Winchester or Southampton area. PC Ross Edwards, from Hampshire Constabulary, said: 'We are becoming concerned for Isobel's welfare after she left home around Saturday lunchtime. 'We believe she could still be in the Winchester or Southampton areas. 'Isobel, if you're reading this, you're not in trouble. Please come home or make contact with us or your family. 'We have been following up several lines of enquiries since Isobel went missing and believe she has been seen since but we've been unable to trace her so far. 'If anyone has spotted Isobel or a girl matching her description or if anyone knows where she is, please get in touch.' Anyone with information is asked to contact PC Edwards at Winchester police station on 101.
target: Isobel Attwood, 16, has not made contact with her family since Saturday .
  Friends believe she could be in Southampton with a man in his 20s .
  The schoolgirl is described as white, small, 5ft 4ins tall, with brown hair .
  She posted on Facebook saying 'sorry for causing s*** for everyone'