There are growing fears for a vulnerable man missing from Hounslow .
David Berry, 37, was last seen in Feltham and has not returned to his Twickenham home.
Hounslow Police launched an appeal to find Mr Berry on Thursday.
He is described as vulnerable and it is believed he may be in Hertfordshire.
Anyone who has seen Mr Berry or who may have information about his whereabouts is urged to contact police.
If you have information that could help, please call police on 101 and quote reference 18MIS007562.
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