Officials have identified the substance that spilled on the streets of a Kansas town, but who's responsible is still a mystery.

Philadelphia police are searching for three juveniles accused of throwing a caustic substance – possibly battery acid – on a woman, who then had to be taken to the hospital. Police released ...

NORFOLK, Va. (AP) — Authorities say a Norfolk police officer suffered significant injuries when a man threw a caustic substance in the officer's face. Police say a man approached the sergeant shortly ...

CHICAGO (AP) — Authorities in Chicago say a 26-year-old man has died after being forced to drink a caustic substance and the death has been ruled a homicide. Chicago police and the Cook County medical ...