Miami International Airport prompted airport officials issue an evacuation and temporary closing of the airport. A man previously convicted in an aircraft incident was released after questioning in the discovery of a suspicious package, authorities say.A Transportation Security Administration officer detected a metal canister resembling a pipe bomb in Thomas C. Butlers luggage on a flight from Brazil Thursday evening.The evacuation of four terminals resulted in a halt for about 7 hours, CNN said Friday.This isnt the first time the world-famous Texas scientist made headline news. Butler spent time in prison for illegally transporting vials of bubonic plague in 2003, CNN said.In a statement, Department of Homeland Security spokesman Nicholas Kimball said the canister "tested negative for explosives" and that additional tests are being done "for other contaminants."The evacuation was ordered about 9:30 p.m. Thursday and normal airport operations resumed about 4:30 a.m. Friday.
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