Polly Lindop was born at at Saint Mary’s Hospital on March 13 (Picture: SWNS/Google)

The mum of a ‘beautiful’ baby girl who died within 24 hours of being born has vowed to ‘never give up the fight’ for answers over what happened to her child.

Kimberley Lindop gave birth to her daughter, Polly, at Saint Mary’s Hospital in Chorlton-on-Medlock, Manchester, on March 13.

Ms Lindop said: ‘We will never give up the fight. We will find out exactly what happened in the hours leading up to Polly’s death.

‘A baby couldn’t be loved anymore – she is our everything and she lives on in her brothers and sister every day.’

The baby died hours after being born (Picture: Kimberley Lindop/SWNS)

Almost three months after the baby’s death, Greater Manchester Police have now confirmed they are investigating possible gross negligence manslaughter.

Detectives have spoken to a number of staff at the hospital run by Manchester University NHS Foundation Trust in connection with Polly’s death.

No arrests have yet been made and the force stressed the trust has been ‘fully cooperative’ with their enquiries.

DCI Mark Davis of GMP’s Major Incident Team said: ‘First, I want to express my condolences to the parents of Polly at what is an extremely difficult time for them.

‘Our thoughts will remain with them as we carry out our investigation.

‘A number of hospital staff have been spoken to as witnesses by officers and no arrests have been made at this time.

‘The hospital trust has been fully cooperative with the police and all relevant authorities have been kept informed.

‘The investigation into Polly’s death is on-going and her family will continue to be kept updated in relation to any significant developments.’

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‘We will find out exactly what happened in the hours leading up to Polly’s death.’