Police say a registered sex offender performed a lewd act upon himself in a park in Walpole, Massachusetts.
Officers responded to a swimming pool Monday at Swan Pond, where victims and witnesses reported the incident. Glenn Santarpio, a Level 3 sex offender, was arrested.
Santarpio is charged with lewd and lascivious conduct, according to police. He has been held on $10,000 bail and will appear in court Tuesday. It was not immediately clear if he had an attorney.
The case remains under investigation.