Upper Darby police said officers responded to the alley behind homes along Greenwood Avenue, off Church Lane, the police department tweeted after 1 a.m.
A police investigation is underway in the rear of the 7000 block of Greenwood Avenue. For the time being, please stay clear of the area. We will update as often as we can.Police asked for people to avoid the area, but didn't initially reveal what they believe happened at the scene, which is across the street from the Fernwood cemetery.Sign up for NBC Philadelphia newsletters.
Multiple yellow evidence markers could be seen on the ground and officers could be seen putting items into bags overnight. An ambulance with its lights on was on the scene for an extended period of time. Then, around 6 a.m., the medical examiner's office arrived. No information was given about the body that was found.