KINGS OF LEON had a screaming row among themselves after their T In The Park performance this weekend.
The US rockers got so angry with each other after their set at the Scottish festival on Friday night that they threatened to cancel their appearance at Dublin's Oxegen festival the next night.
The row was sparked by some sound difficulties during their set which put frontman Caleb Followill in a foul mood which he then took out on his bandmates.
The band's manager had to drag him away from bandmates — brothers Nathan and Jared and cousin Matthew before things got physical.
Before he was led away, he trashed his beloved Gibson 325 axe which smashed into smitheens on stage before he threw the broken frame into the crowd.
But he regretted his decision to destroy the guitar which he plays it on almost all the Kings' hits.
A source said: "He was livid about the sound and took out his anger on stage without considering the consequences.
"His guitar is now ruined. The crowd were oblivious to the sound difficulties but the Kings want every show to be perfect.
"When they came off stage, tempers flared and they were effing and blinding at each other. It was really nasty before their tour manager stepped in. They were even threatening to pull out of Oxegen."