A Mount Arlington man is facing sexual assault charges for an alleged incident involving a toddler.

The Morris County prosecutor and Morris Township police say 35-year-old Thomas Meier, of Mount Arlington, was arrested for assaulting a 3-year-old while he was a teacher at Head Start of Morris County.

Police say a coworker at the school saw the alleged act happen and reported it to police.

Meier is facing multiple charges.