AI Summary

A United Airlines flight heading to Spain from Newark Liberty international airport was diverted mid-air due to a reported security concern. The decision to turn the plane around was made after a security inspection at the departure airport in Newark revealed a potential threat. The nature of the threat was described as a Bluetooth device containing a specific four-letter word. The incident occurred just one day after another United Airlines flight was reportedly affected by a similar issue, although details of that incident are not provided.

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