A person was transported to a local hospital "out of an abundance of caution" after a suspicious white powder was discovered ...

A 57-year-old woman in Oregon was arrested Saturday and charged with assaulting two EMTs, according to authorities.

Probing the incident has been a drain on police resources, an investigator says. While the mysterious white powder inside scores of envelopes sent to Republican lawmakers and officials in at least ...

The staffer experienced no symptoms, and the as yet unidentified white powder was found to be non-harmful, according to ...

At Kaiser Permanente Sunnyside Medical Center on Friday, a visitor threw an unidentified substance onto an EMT, who ...

What started as an evening commute headache in Oak Park turned out to be a false alarm, after hazmat teams determined an ...

A series of threatening letters containing a mysterious white powder is raising concerns that Republican lawmakers in Kansas who received them are being targeted by someone cryptically calling ...

Emergency crews responded Monday after a letter containing an unidentified white powder was sent to the Florida home of Donald Trump Jr., the eldest son of former President and GOP front-runner Donald ...

A powdery substance that was discovered at the White House Sunday evening, prompting a temporary evacuation of the complex, has been sent for further evaluation and testing, the Secret Service said.A ...

A suspicious white powder – later determined to be baking soda – was found spread around the Durango Police Department, La Plata County Courthouse and other buildings early Tuesday in downtown Durango ...