The bus that crashed into an overpass at Miami International Airport on Saturday morning, killing two elderly male passengers, was filled with Jehovah's Witnesses en route to a conference in West Palm Beach. Investigators said its detour through the airport was a mistake.

In addition to the two killed, 30 others were injured -- some critically -- and transported to five different hospitals.

The driver, identified by police as Ramon Ferriero, did not need medical attention. He drove past a yellow sign warning of an 8-foot, 6-inch height limit at the entrance of the airport’s arrivals section, on the lower level.

Ferriero, 47, was going faster than the posted 15 mph speed limit, according to airport spokesman Greg Chin. After the bus was removed Saturday afternoon, Chin said there was minor structural damage to the overpass. He did not know how tall the bus was, but said it was “well over” the height limit.

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