KETCHIKAN (AP) -- Authorities are investigating an anonymous bomb threat that shut down the Ketchikan International Airport for more than an hour Friday.
The airport was evacuated while airport police and Alaska State Troopers checked the premises. No explosives were found.
Airport manager David Allen said the threat was called in to Ketchikan police about 1:30 p.m. He said police then notified the airport, prompting the evacuation.
Allen said he's not sure exactly how many people were affected. A jet was not due to land until a few hours later, so the building was relatively empty other than airport workers.
People were allowed back in the building at about 2:45 p.m., Allen said.
Troopers said they were investigating the threat. Police also were looking into the origin of the call, but Deputy Chief David Guzman said that is the department's only involvement.
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