Television presenter Ben Fogle has spoken of his anger after someone spiked his drink in a pub with an unknown drug.
He says it happened last Friday while he and his family were seeing friends.
The adventurer says he was putting his children to bed after drinking at a pub in Gloucestershire when he "flipped".
He tweeted: "Whoever spiked my drink with mind altering drugs
and put me in A&E with a psychotic fit. Did you think of the damage you would cause?"
Ben Fogle, 39, says he tried to jump out of a window and had to be restrained by his wife.
"I was ranting, marching up and down, hitting walls, trying to jump out of windows," he added.
'Out of body experience'
The Countryfile presenter first became famous on the BBC reality show Castaway in 2000. He has since travelled to many countries presenting programmes including a documentary on Princes William and Harry on their first joint royal tour in Africa in 2010.
He says he has never taken recreational drugs and felt like he was having an "out of body experience".
Ben Fogle's wife Marina and the couple's friends say they managed to lock him in a room while they waited for an ambulance to arrive. He was then taken to hospital, sedated and kept in overnight.
The presenter has described how he spent days afterwards worrying that he was "going crazy". He says test results have since come back showing that there was no neurological cause and that doctors believe the incident was due to LSD
or a similar drug.
The dad of two has completed many sporting challenges including the Atlantic Rowing Race in 2006.
He had to delay a five-week trip to the Middle East to film his latest BBC show because of what happened.
Gloucestershire Police have confirmed a report of a drink being spiked in Stow on the Wold on Friday 15 February.
In a statement they said they "have attempted to contact the man to gather further details".
BBC Radio 1 Newsbeat
20th February 2013
So, what do you think? Malicious prank, sinister plot, or just someone that had a little too much to drink that night? I think it's rather annoying that they re-print speculation that implicates LSD or another psychedelic drug but that there is no mention of any toxicology tests being done to confirm which substance(s) he'd be drugged with, if he was even drugged at all.