A spokeswoman for Nottinghamshire Police, said: "Police will be speaking to former residents and their families and will work closely with partner agencies to establish if any criminal offences have taken place."
"A police investigation has been launched after concerns were raised about the standard of care provided to residents at Autumn Grange."
Nearly 30 residents were moved out of a Nottingham care home today after "serious concerns" about the standard of care provided.
More top news
It'll be another chilly day with patchy cloud and sunny spells. It will stay dry.
Some isolated wintry showers is possible over the Peak District.
Nottingham Forest fans are angry that a takeover deal has fallen through after weeks of talks.