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The United Kingdom’s National Crime Agency arrested a man during its investigation into a cyberattack against Collins Aerospace that disrupted check-ins and delayed flights at several major European airports over the weekend.

The agency arrested a man in his 40s in West Sussex, a county in the south of England, on suspicion of offenses under the U.K.’s Computer Misuse Act, the agency said in a statement Wednesday. He has been released on conditional bail, it added.

The investigation continues and is in its “early stages,” according to Paul Foster, head of the agency’s cyber unit.

The cyberattack, which began last Friday, affected Cedar Rapids-based Collins Aerospace software that underpins

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