Police have tapped a residential property in Gorton.
Officers were seen walking in and out of a house on Hyde Road this afternoon (Tuesday 14), apparently converted into flats.
The nature of the incident has not yet been confirmed.
MEN has contacted Greater Manchester Police for more information.
Photographs from the scene show several police vehicles parked near the property, which have been cordoned off.
A window appears to be broken and eyewitnesses report seeing blood stains.
The property is near the confluence of Redish Lane and opposite the entrance to Debdale Park.
Uniformed police officers have been spotted at the scene where the inquiry is being conducted.