ay Slater's best friend reveals details of final phone conversation

Jay Slater cops issue mass appeal for volunteers to join 'massive search' in mountainous Tenerife area where he was last seen

The 19-year-old, from Oswaldtwistle, Lancashire, has not been seen since June 17 after he went missing following a night out on the infamous Veronicas strip in Tenerife's Playa de las Americas resort.