Bomb threat left behind on plane at Fort Lauderdale-Hollywood airport

A note with a bomb threat was discovered onboard a U.S. Airways flight by a cleaning crew at Fort Lauderdale-Hollywood International Airport early Monday.

The letter was found at 3 a.m. aboard flight 1723, which had arrived from Charlotte, N.C. Broward Sheriff's Office deputies checked the plane for about an hour but discovered nothing unusual, said airport spokesman Greg Meyer.

The flight came in at about 8 p.m., passengers disembarked, and cleaning crews went on board hours later, when they found the note. The exact contents of the letter were not available, said sheriff's spokeswoman Keyla Concepcion. It was unclear when or where on the plane the letter had been left.