VAN DAMME SON NEEDS HELP NOW!

The violent son of Bloodsport actor Jean-Claude Van Damme is in serious trouble with the law — and experts say he needs psychiatric help immediately!

Lawmen say Nicholas Van Varenberg — the martial arts star’s youngest son — punched an elevator in his Tempe, Ariz., building and was busted after cops followed a gory trail of blood to Van Varenberg’s apartment!

They found the 21-year-old with an injured hand, but left after a brief investigation.

Get the latest issue of GLOBE Magazine and read about Van Damme's troubled son!