Published: Aug 18, 2014 11:41 AM EDT

MIAMI (AP) - A computer failure in the passport-control system caused a long backup for international travelers at Miami International Airport.
    
The airport's director of communication Greg Chin told the Miami Herald (http://hrld.us/1pEnhFy ) the system went down Sunday night, creating long lines. Then, the lights on the two runways went out about 8:20 p.m., making it almost impossible for planes to land on the runways and taxi to the terminal.
    
Officials say the U.S. Customs and Border Protection computer system went down around 6 p.m., forcing them to use a backup system. Chin says the passport control office, which processes an average of 2,000 passengers per hour, filled beyond capacity.
    
The computer system was restored before 8 p.m. and the runway lights came back on around 10 p.m.
    
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Information from: The Miami Herald, http://www.herald.com

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