A 13-year-old girl was among the dozens arrested at the TRNSMT music festival in Glasgow over the weekend.
Police Scotland said 40 people, aged between 13 and 45, were detained by officers for offences including carrying illegal drugs, assault, sexual assault, breach of the peace and disorder.
The force said 21 arrests were within the grounds of the festival while 19 were made around the entrance.
It said 15 of these arrests were made on Sunday while 14 were made on Saturday and 11 on Friday.
The force is also appealing for witnesses after a 15-year-old boy was injured in a disturbance outside the festival.
The teen was treated for a head wound following an incident near the boat house in the park around 4pm on Saturday.
Detective sergeant Stephen Greenshields, of Shettleston CID, said: “Inquiries are ongoing to establish the full circumstances and trace those involved in the incident.
“I would urge anyone who witnessed the disturbance or who has any information that could assist with our inquiries to please get in touch.”
Anyone with information can call Police Scotland 101, quoting reference 1053 of July 13 or call Crimestoppers on 0800 555 111.
Around 50,000 people flocked to Glasgow Green for Scotland’s biggest music festival which ended on Sunday night with headliner Calvin Harris.
Liam Gallagher was the main act on Friday show while Gerry Cinnamon headlined on Saturday.
During the three-day festival, fans were greeted with a surprise appearance of actor Martin Compston who at one point was seen on stage, alongside Example who was performing, with a Saltire wrapped around him.
Craig David also gave a surprise performance with former Love Island star Wes Nelson.
Sugababes, Rick Astley, Chase and Status and the Courteeners were among the other acts at the event at the weekend.
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