Authorities said Sophia is three months pregnant and believed to be traveling with the father of the unborn child, 40-year-old Gary Day, who has a no-contact order with the teen. He was last seen at Sophia's residence at 7:48 a.m. on Monday, per the agency.

Sophia Martha Franklin, 16, is three months pregnant, and is believed to be with 40-year-old Gary F. Day, the father of her unborn child. Day is facing a no contact order for Sophia.

The suspect vehicle is a 2014 Black Buick LaCrosse that has been seen with multiple license plates including Arkansas plate BBR 20L and Pennsylvania plate KGW5186.