Attempt to find British teenager now in its second week as groundless theories circulate about his disappearance

As the search for Jay Slater, the British teenager who went missing while on holiday in Tenerife, enters its second week Spanish rescuers continue to comb the rugged mountain terrain where he was last seen for clues.

Staff and volunteers from the local police, fire brigade and civil defence force have been using dogs, drones and helicopters to hunt for the 19-year-old apprentice bricklayer from Lancashire.