Holes then Hypoxia: O'Hare-Bound Flight Diverted to Ohio With Sick Passengers -- getting unsafe to fly?

Four passengers apparently fainted on an American Airlines flight headed to Chicago from Washington, D.C. because of a possible issue with cabin pressure.

An American Airlines spokesman told NBC News that a couple flight attendants got dizzy as the plane reached 28,000 feet and asked the pilots to drop the oxygen masks just in case.

"When the other flight attendent went up to tell the captain she got very wheezy, and actually she couldn't speak right. She said, 'I thought I was going crazy because the words that I had in my head were not coming out,'" said one passenger.

The pilots began looking for a place to land and Flight 547 diverted to Dayton International Airport, spokesman Ed Martell said. (read more)