The deaths of seven young people in the west of Scotland are linked to a batch of fake ecstasy drugs, Police Scotland has confirmed.
An 18-year-old woman from Alexandria in West Dunbartonshire died on Tuesday morning after taking the tablets.
Six others from Glasgow, Lanarkshire and Ayrshire have died during the past two months after taking pills with a Rolex crown stamped on them.
It is understood the pills contain a dangerous chemical called PMA.
It is known to cause extremely high temperatures, hallucinations and convulsions.