UPDATE: 35-year-old Dwight Reylando Perry and his two children have been located in Prince Georges County.
PG County police say Perry stopped at a firehouse on Campus Way South when he heard the Amber Alert on the radio in his car. He told officers that he dropped the children off earlier.
The 18-month-old girl was located at a daycare in the 2700 block of Philben Drive. and the 9-year-old boy was with a family member in the 6000 block of Riggs road.
Montgomery County Police had issued an Amber Alert for two missing children who they said were in the custody of their biological father 35-year-old Dwight Reylando Perry.
According to police, they were dispatched to the 700 block of West Side Drive in Gaithersburg for a reported stabbing. They say Perry stabbed his girlfriend and fled the scene with his 9-year-old son Kingston Perry and 18-month-old daughter Karina Perry.
Officials say his girlfriend, who is the mother of his 18-month-old was transported to the hospital with non-life-threatening injuries.
They were last seen in Gaithersburg, Maryland driving in a blue Toyota Camry with Maryland Tag 5DF8922.
According to Prince Georges County Police, they were all found in good condition.
Montgomery County detectives are taken control of the case and will investigate the incident.