Bizarre footage appears to show the moment conspiracy theorists believe a UFO plunges into the ocean - before splitting in two. The clip was allegedly recording in Aguadillia in Puerto Rico on April 25, 2013 but the footage has only recently been released by the Department of Homeland Security by a whistleblower. In the video, the strange metallic sphere hurtles through the sky before dropping down and plunging into the ocean. When it re-emerges, it appears to have split in two. The object was being monitored by US Customs and Border Protection, according to Headlines & Global News. Nick Pope, a UFO expert, said: "Assuming the video isn't a clever hoax - which is always a possibility these days - it's a fascinating piece of footage. "About the only conventional explanation that might fit the bill is that this is some new drone, but the entry and the apparent splitting in two of the object makes even this explanation seem unlikely." It is believed that the object was travelling