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MONTGOMERY COUNTY, Md. (WJZ) — An Amber Alert in Maryland has been canceled for 9-year-old Kingston Perry and 18-month-old Karina Perry, who police say was taken by their biological father, 35-year-old Dwight Reylando Perry.

The three were last seen in Gaithersburg, Md., around 1 p.m. Tuesday, state police say.

Dwight Perry is accused of stabbing the mother of Karina Perry, who was taken to the hospital with non-life-threatening injuries.

(credit: CBS3)

Police said Dwight Perry turned himself in sometime after 6:30 p.m. The children were found safe and unharmed.

Prince George’s County Police say Karina Perry was found at a daycare in the 2700 block of

Philben Drive in Hyattsville and Kingston Perry was with a family member in the 6000 block of Riggs Road.