exclusive
Paris Hilton's little brother Barron Hilton was jumped this morning -- and beaten to a pulp -- and he claims Lindsay Lohan masterminded the attack, TMZ has learned.
Multiple sources connected to the situation tell us ... Barron attended a party last night at a Miami mansion where Lindsay has been staying while she's in town for an art festival.
We're told ... during the party, someone accused Barron of talking smack about Lindsay -- and a short time later he was attacked and beaten to a pulp.
We know ... 24-year-old Barron spoke with police following the incident. He claims Lohan orchestrated the beating.
Barron told cops Lindsay approached him at the party with a male friend and began screaming, "'You talk sh*t about me to my boyfriend, this is what you get."
As the guy proceeded to pummel Barron, Hilton claims Lindsay was laughing and egging him on.
Cops were called to the scene and interviewed Barron. We're told Barron doesn't know the identity of his attacker but is adamant Lindsay is the person behind the attack.
We spoke to Michael Lohan who insists Lindsay had nothing to do with the attack and had left the mansion BEFORE the fight went down.
Michael claims there are several witnesses -- including security guards -- who will back up Lindsay's alibi.
