Police are investigating a video which appears to show a horrific bottling at the T in the Park music festival.
The shocking footage shows a group of festival goers in an altercation in one of the campsites at the event in Strathallan, Scotland.
One of them then picks up a bottle and smashes it into the face of another with a sickening sound.
The identities of those in the video are not known.
The festival was heavily criticised on Monday has traffic caused huge delays for people leaving the site.
On Saturday a man was found dead in a toilet at the festival. He was later named as 36-year-old Andrew West and his death is being treated as unexplained.
A T in the Park spokesperson said: "We are extremely saddened by this news and our thoughts are with the family at this time."