The remains of an infant were found in a Long Beach alley Tuesday, police said.

Residents said teens taking a shortcut through the alley found the infant's body under cardboard debris in the area of 67th Street and Gardenia Avenue at 4:22 p.m.

"I really think it's inhumane," said Roederick Montemayor, who lives nearby. "Whoever did this? I don't know where their mind is!"

Initial reports said the body may have been burned, but detectives later said that the remains were decomposing.

"The body was not burned but is in a state of decomposition that would give it that appearance. The investigation is ongoing," said Sgt. Brad Johnson of the Long Beach Police Department.

The cause of death, approximate age and race of the infant will be determined by the Los Angeles County Coroner’s Office.

Residents were outraged at the discovery.

"I feel if mothers can't keep the babies they should take them to the nearest police station or fire department," Sabrina O'Hara, neighbor, said.

"It's really sad. My heart goes out to the baby.