Delta Air Lines flight makes emergency landing in Porto after smoke detection

The occupants of a Delta Air Lines plane had a big scare on Sunday. The aircraft was forced to make an emergency landing at Porto airport, in northern Portugal, after smoke was detected in the cabin.

Four passengers hospitalized

According to local media, the plane, which took off from Barcelona to Boston in the United States, was carrying 296 passengers. Fourteen of them received assistance in Porto, civil protection announced.

Among these 14 passengers, four were classified as “slightly injured” after inhaling smoke and were hospitalized, said a civil protection spokesperson.

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The cause of the incident was not known, emergency services said.