Police are persevering with to query a 37-year-old girl after a toddler died at a property in Rhondda Cynon Taff.
The lady, named regionally as Amelia Harris, was pronounced lifeless at an handle in Trealaw at about 22:20 BST on Friday.
The arrested girl stays in police custody.
South Wales Police warned individuals to not speculate on social media in regards to the circumstances of the kid’s dying – which is being handled as unexplained.
Tributes, together with comfortable toys and and roses had been left close to the scene on Saturday, together with a teddy bear with a heart-shaped be aware pinned to it.
Police haven’t given the age or gender of the kid, and haven’t confirmed what the lady was arrested on suspicion of.
On Saturday, Ch Supt Dorian Lloyd stated an incident room had been arrange and specifically educated officers had been supporting household and the local people.
He added: “I’m conscious of the deep concern and upset regionally, however would urge all members of the neighborhood to chorus from speculating on the incident and to reveal duty when posting content material on social media.
“I encourage everybody to consider carefully in regards to the penalties of messages – when utilizing social media – and the way they could impression on others.
“Constructive motion can be taken towards those that publish messages which might be abusive, threatening or insulting.”