Police said they arrested a man under the anti-terrorism law at Manchester airport Friday, and an army bomb squad was checking a suspect package.
Police used a Taser gun to subdue the suspect, Greater Manchester Police said.
Parts of Terminals 1 and 2 were closed, police said, and the army bomb disposal unit was called to check a suspicious package found near an aircraft.
The British Broadcasting Corp. reported that a man with a suitcase had been seen walking under an aircraft. The suitcase was reportedly still on the pavement after the arrest, the BBC said.