Friends in search for missing Michael Murphy, 32
The family of a missing man are appealing for witnesses who may have seen him leave his car on a busy bridge in Flintshire to contact police.
Michael Murphy, 32, was last seen before leaving work at Convatec in Deeside at the start of his shift at 06:00 GMT on Wednesday 4 January.
His red Volkswagen Polo was later reported to police with its hazards lights flashing on nearby Flintshire Bridge, Connah's Quay, at 13:20 GMT.
Friends joined a search at the weekend.
A website group called Missing Michael Murphy has been set up on the Facebook social network site, attracting support from more than 1,600 people.
Mr Murphy's family said they had been "heartened" by the help and concern of others.
His mother Ann and other family members are appealing for anyone with any information to get in touch with North Wales Police.
"We want him home," said his aunt, Peggy Murphy.
She said Mr Murphy's disappearance was totally out of character, adding that he had split up with his girlfriend before Christmas.
"He took a colleague to work, had a cup of tea and disappeared," she said.
"The next thing his car was reported by the bridge. It must have been busy. Did anyone seen him?" she said.
An extensive search has been conducted of the river embankments involving police, the helicopter from the North West Air Operations Unit, coastguard, RNLI, Search and Rescue Dogs Association (SARDA) and the regional police underwater search team.
His vehicle, registration number S412 RTG, was recovered from the westbound carriageway of the bridge which leads from Deeside Industrial Estate to Flint at 14:00 GMT on Wednesday following a call from a member of the public.
Det Insp Alun Oldfield said: "I particularly urge anyone who left the Deeside Industrial Estate on Wednesday to think back and to contact us immediately if they recall seeing the red coloured car, if they recall seeing anyone leaving the car or walking near or on the bridge."
Mr Murphy, who is from Mold but was living in Connah's Quay, is described as 5ft 10in (1.77m), medium build with short fair hair which is balding.
He was last seen wearing a dark grey flat cap, a long dark grey duffle coat, blue jeans and white Adidas trainers with three black stripes on the side.
Anyone with information about Mr Murphy's disappearance is asked to call the police on 101 or 0300 3300 101.