A 14 and a 15 year old are believed to taken blue transformer tablets.
Two 16-year-old's were also taken ill.
A 28-year-old man from Tiverton was arrested on suspicion of possession with intent to supply a Class A drug.
He's since been released pending further enquiries.
Police have issued a warning about the dangers of taking drugs.
Man interviewed by council officials amid flag war
He's not the man they were looking for
Lifeboat washes up at Sidmouth
No one on board
Torbay hotels tested on child exploitation checks
One in eight pass
Rare wolf pups born at Devon Zoo
New arrivals boost visitors
“Disappointment” over North Devon funding settlement
There could be up to a five per cent drop in core spending power
Controversial Exeter road consultation to begin in the New Year
Drivers ‘rat-run’ through hospital to dodge Exeter road closure
