UFC fighter Irwin Rivera jailed on charges of attempted murder in Florida

• Rivera arrested and charged with attempted murder in Florida
• Fighter claims a higher power" told him to stab his two sisters

An Ultimate Fighting Championship mixed martial arts fighter is accused of stabbing his two sisters early Thursday as they slept in a spare bedroom in his apartment because a higher power" told him to do so, police in Florida said.

Irwin Rivera, 31, who is known as The Beast', remained in the Palm Beach County Jail early Friday on two counts of premeditated attempted murder, according to jail records.