A three-month-old baby girl has died after being found unresponsive at a Blackpool address.
Emergency services were called to Newton Drive at 2.20am on Wednesday.
The baby was taken to Blackpool Victoria Hospital for treatment, but later died.
A police spokesman said: "The death is currently being treated as unexplained and a postmortem examination will be conducted in due course.
"No arrests have been made and enquiries are on-going."