SAN FRANCISCO -- Human skeletal remains were discovered under a Lower Pacific Heights building on Friday and police say they are investigating the matter

as a suspicious death.

The remains were discovered when a dry cleaning business in the 1900 block of Fillmore Street called in contractors to do plumbing work, according to police.

The contractors were digging underneath the building when they discovered a human skull and bones.

Police were called in shortly before 4 p.m. and homicide investigators are treating the case as a suspicious death.

Anyone with information is asked to call homicide investigator Sgt. Kyra Delaney at (415) 553-1146, or the department's anonymous tip line at (415) 575-4444. Tips can also be texted to TIP411 with "SFPD" at the start of the message.

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