Mike "The Situation" Sorrentino from MTV's "Jersey Shore" was arrested today.

Jason Merritt, Getty Images

"Sitch" was arrested after a a fight at Boca Tanning Salon in Middletown.

Police got a 911 emergency call at 2:10 p.m. Tuesday and arrested Sorrentino, said Detective Lt. Steve Dollinger.

Sorrentino was released after posting $500 bail. No court date has been set, Dollinger said.

Dollinger declined to identify who Sorrentino was fighting.

However, TMZ reported that the fight was between Sorrentino and his brother, Frank.

This comes just a week after claims of his family salon bouncing checks.