JACKSONVILLE, Fla. -- A bomb squad investigated a loud "bang" that came from behind a home in the 2400 block of Fallen Tree Drive West, according to the Jacksonville Sheriff's Office.

Sgt. John Padgett with the Sheriff's Office said a man was inside the home when he heard the loud noise. The burst remains of a two liter soda bottle were discovered outside the home with an unknown substance inside.

The investigation is still ongoing.

First Coast News