UPDATE: The medical examiner reports the five hearts found in a downtown Chicago alley Friday are not human.

No other information is being released.

ORIGINAL STORY: Chicago police are investigating what may be human remains found Friday in an alley in the downtown Loop business district, the

.

Five possible human hearts were found about 9:30 a.m. near the first block of East Benton Place.

The Sun-Times reports police cannot say definitively whether the organs are human until the Cook County medical examiner’s office reviews them.