India, Aug. 17 -- A video of a lightning bolt, which reportedly was 10 miles long, captured by a former firefighter, has surfaced on social media. Recorded over Bayport, Long Island, the video shows the bolt illuminating the night sky.

Retired FDNY fireman Kenny Gunther shared the video with Islandwide Weather's Facebook page. "ONE OF THE SICKEST BOLTS OF LIGHTNING I'VE EVER SEEN ON LONG ISLAND!!!!!!! Just south of Bayport, NY," the page wrote.

According to a report by the New York Post, Gunther was at his home when he felt the floor under his feet shaking. He then saw a flash outside his window.

"I just grabbed my iPhone and I just stick it on the windowsill in my bedroom facing south with their widest angle, and I just had it record,...