Leona Lewis` staff angry at her vegetarian policy

London: Staff on singer Leona Lewis` ‘Labyrinth’ tour are reportedly furious with her policy of not allowing meat to be brought anywhere near her.

The 25-year-old singer, who has been a strict vegetarian since the age of 12, has banned all animal products from her ‘Labyrinth’ shows, much to the fury of her staff, who can`t even bring in meat from outside, reports contactmusic.com.

"There are going to be murders. Leona has demanded that only veggie food be made available for everyone and members of the crew are threatening to quit. She will not even allow food to be bought off-site then brought in," said a source.

The singer was also blasted for her "out-of-control" diva behaviour.

"She is getting a reputation as a bit of a pain in the neck. She is such a diva. It`s getting out of control," said a source.