Police in Exeter are warning of the dangers of nitrous oxide - or 'laughing gas'.
Lately they've been finding used canisters in local parks - most recently in Heavitree, but also in St Thomas.
When inhaled the gas can cause oxygen starvation to the brain - and the risk is increased if it's taken with alcohol.
Man dead due to 'bad batch' of herion
A major incident was declared in North Devon
Teen pregnancies falling in Devon
Number has been broadly trending down since 2015
Dental van on way to Devon to help tackle treatment crisis
It will help tackle treatment crisis in hard-to-reach communities.
Misconduct inquiry into suspended chief constable suspended
Frustration at pace of investigation
Good time for dolphins in Torbay
VIDEO: Happy pods spotted
Devoncast - traffic, trees and Toby Buckland
Devoncast is back with the latest from around the county
