A man has been missing from a mental health unit in Benfleet since April 30.
Derek Jarrett, 56, left the unit on Wednesday, April 30 with a woman.
She was found in Bristol on May 2 and has since been returned to Essex but Mr Jarrett remains missing.
He is white, about 5ft 6in tall, has grey hair and has several tattoos on his arms. He was caught on CCTV at a hotel in Bristol where he was staying.
The public are advised not to approach him but if seen, are urged to call police immediately on 999.
Detective Inspector Joel Henderson of Essex Police said: "We know that Mr Jarrett and the woman travelled to Bristol by coach between April 30 and May 2 but there have been no positive sightings of him since then.
"Given the lack of contact, he could be anywhere in the UK so we have issued media appeals through all forces.
"We want to hear from anyone who recognises Mr Jarrett from the photo and might remember seeing him over the past week or so.
"We want to find him urgently because there are concerns for his own safety and also because he is missing from a mental health unit."
