A 32-year-old woman has been raped in the graveyard of a church.
The attack happened between 00:10 and 00:25 GMT in the grounds of St Mary's Parish Church on High Street, Cheadle, Stockport.
Det Insp Julia Bowden of Greater Manchester Police said detectives were doing "all they can to find the person responsible".
The victim is being supported by specially trained officers and helping with the investigation, she added.
"I would like to assure the public that we are taking this very seriously and our officers will be patrolling the area."