(Updated throughout at 11:30 a.m.): An arrest has been made in a series of sexual assaults on and near UCLA this spring. Calixto Marcellana Nitro, 63, was arrested about 6:20 p.m. Monday after campus police working undercover spotted him reaching for another victim's crotch near Stein Plaza on Westwood Boulevard, school officials said.

The last such attack happened about 6 p.m. Wednesday near a Ralphs grocery store, UCLA police Sgt. Tim Nyx said. The short, pot-bellied man was wanted in seven such alleged gropings reaching back into March.

Nitro was booked on suspicion of misdemeanor sexual battery and released. He was expected in court May 12.

-With reporting from Weekly wire services. Got news? Email us.

LA Weekly