Band members get angry at Caleb's drinking habits.
Just days before their world tour begins, the Kings of Leon have sparked worries it may not happen following a fall out between the band members.
According to the Sun, Nathan, Jared and Matthew have become increasingly frustrated by frontman Caleb's heavy drinking and confronted him about it a couple of weeks ago.
However, the singer is said to have been displeased with their complaints and the four men came to blows as things got out of hand.
They have not spoken since and record bosses are growing increasingly nervous ahead of their UK and world tour, the publication claims.
A source told the news provider fighting in the camp is nothing unusual, however, they normally patch things up the following day.
"The others have warned Caleb over and over again that they weren't happy about his drinking but he carried on regardless. The lads have always fought but they usually sort it out the next morning," the insider stated.
On Monday (December 1st) the band are scheduled to play at the Brighton Centre before touring the country throughout the month.
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