A man from Old Town faces a gross sexual assault charge after police say he sexually assaulted a juvenile under the age of 14 with whom he connected on an online messaging app.

Zachary Lankist, 28, of Old Town was arrested on Monday. Police say Lankist first connected with the juvenile earlier this year via the app. The juvenile and Lankist later met in person in Rockland, where the assault allegedly took place.

The Rockland police were assisted by the Old Town Police, Bangor Police, Maine State Police Computer Crimes Unit, and Maine State Police Evidence Response Team.

The investigation is still ongoing and more charges are expected, police said. Anyone with any information related to this case is asked to contact Rockland Police Detective Anne Griffith at (207) 594-0316 ext. 232 or via email.

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LOOK: Full List of the Best Places to Live in Maine

Stacker compiled a list of the best places to live in Maine using data from Niche. Niche ranks places to live based on a variety of factors including cost of living, schools, health care, recreation, and weather. Cities, suburbs, and towns were included. Listings and images are from realtor.com. On the list, there's a robust mix of offerings from great schools and nightlife to high walkability and public parks.

Some areas have enjoyed rapid growth thanks to new businesses moving to the area, while others offer glimpses into area history with well-preserved architecture and museums. Keep reading to see if your hometown made the list.