MARGATE, Fla. -

An Amber Alert has been issued for a 12-year-old girl from south Florida that is believed to have been abducted.

The Florida Department of Law Enforcement issued the alert Sunday morning for Megan Williams of Margate. A spokeswoman says Williams may have been abducted and is believed to be with an unknown male in a silver Chevrolet Malibu. Williams was last seen wearing a black hooded sweat shirt and jean pants.

Earlier in north Florida, a missing child alert was issued for 13-year-old Madelyn Marie Norris of Greenville in Madison County, which is about 40 miles east of Tallahassee. FDLE has since cancelled the alert and says Norris was found safe