Explosion at Valero refinery, huge fire, smoke seen as Texas plant blows up: What we know so far

Valero Energy refinery explosion causes thick smoke; air quality monitoring underway.

‘Smoke bomb’ thrown near Gracie Mansion? Four detained during Jake Lang-organized ...

A suspected smoke bomb caused panic during an anti-Muslim protest outside Gracie Mansion in New York City. Police detained four people after recovering two devices at the scene.

Possible smoke bomb at Gracie Mansion sends people running for cover

An unknown device went off at Gracie Mansion Saturday causing a plume of smoke and inciting chaos, according to sources and police. STAY UP TO DATE WITH THE LATEST NEWS BY SUBSCRIBING TO MORNING ...