By SILVIA STELLACCI, ANDREA ROSA and NICOLE WINFIELD The Associated Press PORTICELLO, Sicily (AP) — Police divers resumed searching Tuesday for six people believed trapped in the hull of a superyacht that sank in deep seas off Sicily, including a British tech magnate who was celebrating his recent acquittal on fraud charges with the people who had defended him at trial. The luxury sailboat, off Porticello near Palermo, was some 50 meters (164 feet) underwater — far deeper than most recreational divers are certified for and a depth that requires special precautions. Recovery crews could only stay for 12-minute shifts, a measure that slowed their efforts to reach the cramped inside of the wreck.

The Bayesian, a 184-foot British-flagged yacht, was moored about a kilometer (a half-mile) offshore when a storm rolled in before 4 a.m. Monday.

Civil protection officials said they believed the ship was struck by a tornado over the water, known as a waterspout, and sank quickly. Grainy film from closed-circuit cameras from shore, broadcast on the website of the Giornale di Sicilia, showed the majestic, illuminated 75-meter (246-foot) mast of the Bayesian weathering the storm and then disappearing over the course of a minute. Fifteen of the 22 people aboard survived, including a mother who reported holding her 1-year-old baby over the waves to save her.

One body was recovered, identified by officials as the Antiguan-born on-board chef. The rest of the 10-person crew survived, includ.