A child has been taken to hospital after eating a mystery blue pill found in the school playground.
Police warned families after receiving reports that the tablets had been found at Trallwng Infants School in Pontypridd, Wales.
A spokesman for South Wales Police said it had received reports at around 5.45pm on Friday of blue tablets being found in the playground.
One child was reportedly taken to hospital as a precaution after consuming the tablets, police said in a social media post.
Officers told parents to seek medical help if their children had swallowed any of the pills.
It is not know what the pills were for, or who they belonged to.
Police also asked anyone who finds any of them to report them immediately
The find comes after the Mirror reported a rise in dangerous drugs circulating a music festivals.
Warnings were issued about dangerous drugs in circulation at three of the UK's top festivals.
Police at Creamfields arrested someone trying to smuggle Blue Tesla MDMA pills into the festival.
The drugs found in the playground are not understood to be connected.
A South Wales Police told Wales Online : “We want to alert parents and guardians of children at the school to ensure that the pupils know not to touch or consume the tablets,” the statement said.
“If you suspect your child may have taken a blue tablet and they feel unwell or has had an adverse reaction then please seek medical help immediately.
“We would urge anyone who finds any of these tablets to report them to us as soon as possible quoting reference number 2100328507.”
