Mount Vernon Police arrested a 14 year old boy Wednesday morning for robbing a liquor store. Officers responded to an alarm going off at King City Liquors on South 12th Street just before 6 a.m. Officers found evidence of forced entry and began searching the area. While checking another nearby business, Plaza Liquor Mart, police saw a 14 year old male. Surveillance video at King City Liquor revealed the boy had broken in to the business and upon a search, officers found stolen property. He was taken into custody and transported to the Franklin County Juvenile Detention Facility.