APOPKA, Fla. -

A man on probation for sexual assault was arrested in Apopka on allegations of exposing himself to a child in the parking lot of a Walmart.

Gregory Johnson was arrested Thursday night after the incident at 1700 South Orange Blossom Trail.

According to Apopka police, Johnson parked next to a family, got out of his vehicle and exposed himself.  A child under the age of 16 was in the vehicle, police said.

Johnson was arrested and taken to the Orange County Jail.  He was being held on no bond.