In a bizarre underwater discovery, a diver looking for sea cucumbers in coastal Western Canada found a possible nuclear bomb.

Canadian Sean Smyrichinsky was diving recently in Pitt Island near Haida Gwaii when he accidentally found the weapon, which is originally from a B-36B bomber that crashed in 1950 due to multiple engine failure.

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According to local reports, Smyrichinsky described it as something huge underwater. He said that he had never seen anything like it before. At first, he thought it was a UFO since it is huge. He drew a picture of it since he did not have a camera on hand.

 A local fisherman suggested that it can be an inactive "Fat Man" or a Mark IV nuclear bomb.

Apparently, this 1950 blimp-shaped bomb measures 10 feet and weighs five tons but was filled with lead and TNT, not plutonium.

After some extensive research online, Smyrichinsky found a photo of a part of the bomb, resembling what he discovered underwater. He described it as bigger than a king sized bed with a flat top and rounded bottom and a hole in its center.

According to Canada's Department of National Defense, the Canadian Navy will send ships to investigate this new find.

A replica of the bomb is currently housed in the Royal Aviation Museum of Western Canada. The bomb was lost during a mission in 1950 when ice formed on the wings of the B-36B bomber during a training run from Alaska to Texas.

Unfortunately, the engines caught fire, and the crew had to escape the burning plane, so they jettisoned the bomb over water, for fear of dropping it and causing unwanted explosions and casualties despite it being non-nuclear.