Human skeletal remains discovered in San Francisco

An investigation is under way into human skeletal remains discovered in San Francisco's Lower Pacific Heights. 

The remains were found Friday under a dry cleaning business in the 1900 block of Fillmore Street.

Work crews that were called in to do plumbing at the business made the discovery, according to San Francisco police.

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

Homicide investigators are treating the case as a suspicious death, police said. 

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.