A 3-year-old girl died yesterday after being found unresponsive in a motel room in Prince George’s County, the county police said.

Officers were called about 3:30 p.m. to an address in the 6000 block of Allentown Road, where they found the unresponsive girl, said Officer Nicole Hubbard, a police spokeswoman.

The girl was taken to a hospital, where she died. No cause was known.