Flight bound for Indianapolis makes unscheduled landing in Tennessee after bomb scare

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American Airlines passenger planes are seen on the tarmac at Miami International Airport in Miami, Florida, June 8, 2015. AFP PHOTO/ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)

KNOXVILLE, Tenn. – An American Airlines flight bound from Charlotte to Indianapolis made an emergency landing Tuesday night in Knoxville, Tenn., after a bomb scare.

The pilots requested permission to land around 10 p.m. and asked for emergency crews to be on standby.

Flight 1804 was on its way to Indianapolis from Charlotte when it received what the airline described as a “non-credible” robocall threat. About 100 people were on the plane.

The plane landed safely. Crews didn’t find a bomb on the plane or any technical problems.

At one point, more than a dozen law enforcement agents and emergency crews were at the scene.

Passengers spent the night in Knoxville. Some booked different flights to Indianapolis or back to Charlotte.

The plane was grounded overnight and expected to be returned to service on Wednesday. The direct flight from Knoxville to Indianapolis was scheduled to depart around 11:30 a.m.