Police are "keeping their options open" on the mysterious disappearance of Jay Slater, a former officer has told GB News.
The search has now entered day six after the 19-year-old went missing in Tenerife earlier in the week.
The teenager disappeared when attempting to walk back to his accommodation after missing a bus.
Speaking to GB News, former police officer Oliver Lawrence said "concerns have begun to grow" as the teen has been "without food or water."
The officer explained: "There are obviously greater concerns held for the welfare of Mr Slater, who's been missing since early Monday morning when he messaged a friend to advise that he only had one per cent of battery on his phone and was lost in the mountains, which is an incredibly vast area and needed water.
"So we know the circumstances under which he went missing weren't brilliant at all, in terms of him needing water, and he was probably getting tired, disorientated and got lost.
"This is a vast area that local police are searching. There has been some early criticism of their communication with the family and the efforts they're putting into certain areas, and we know in the last 48 hours, Lancashire Police have reached out to local authorities to provide some level of assistance.
"That assistance has been turned down at the moment and the search continues. But as this goes on, obviously the concerns begin to grow as the welfare of Mr Slater."
