Jay Slater missing updates LATEST: Hunt for teen who disappeared in Tenerife continues as family make desperate plea to help find Brit

A friend of Jay's has urged social media users not to speculate or share theories surrounding the teenager's disappearance.

Writing on the Facebook group, Tasha Entwistle said: 'Have some heart for his mum in particular and keep your speculation OFF this group. Unless you are willing to do something more proactive to actually help.

She added: 'Please stop unless you’re going to help those that genuinely care and want this lad to be found safe and well. To everybody maintaining the positivity & the well wishes for the searchers. Keep going, his family needs it now more than ever.'

The Facebook post has received over 600 likes and 100 comments.

A public Facebook group set up by Jay's friends and family has reached 125,000 followers today.

Updates are being shared in the group by Jay's loved ones who have travelled to Tenerife to join the search.

Facebook users are offering advice on places to look on the island and offering their thoughts and prayers to Jay's family members.

A Civil Guard spokeswoman in Tenerife has said 'everything possible is being done' to find missing teenager Jay Slater, 19.

'A specialist Mountain Rescue and Intervention Group called the Greim have been mobilised,' she said.

'A police helicopter is also out and focusing on the area around the village of Masca.

'Other emergency services including firefighters have also been mobilised. Everything possible is being done to try to find the missing man.'

The Foreign, Commonwealth & Development Office said: 'We are supporting the family of a British man who has been reported missing in Spain and are in contact with the local authorities.'