WESTPORT - Westport police say a Pennsylvania man is under arrest for breaking into a woman's home and sexually assaulting her.

Police say the victim woke up to 22-year-old Charles Ayala walking toward her and unbuckling his pants.

They say Ayala and the woman's son were partying at her house on Hales Court Sunday night.

Police say Ayala then followed the woman as she ran to a neighbor's house for help and tried to stop her from going inside.

Officers say Ayala is charged with first-degree burglary and fourth-degree sexual assault.