Boston-bound Delta flight makes emergency landing in Portugal due to smoke in cabin, tell me about this news in (https://www.nbcnews.com/news/us-news/boston-bound-delta-flight-makes-emergency-landing-portugal-smoke-cabin-rcna600190)

A Delta Air Lines flight en route from Barcelona to Boston made an emergency landing at Francisco Sá Carneiro Airport in Porto, Portugal, on Sunday, September 27, after smoke was detected inside the cabin.

Here are the key details regarding the incident:

• Flight details: The flight (DL251), operated on an Airbus A330 carrying 296 passengers, departed Barcelona at around 3:15 p.m. local time heading for Boston Logan International Airport.

• The diversion: Crew members identified smoke in the passenger cabin mid-flight, prompting the pilots to initiate emergency protocols and divert the aircraft to Porto, where it landed safely around 5:45 p.m. local time.

• Emergency response: Portuguese emergency and civil protection authorities met the aircraft on the runway. Medical teams treated approximately 14 passengers on site for issues related to smoke inhalation and mild symptoms, and up to four passengers were transported to a local hospital for further evaluation and care.

• Status: Emergency personnel responded promptly, and airport operations briefly activated alert protocols before resuming normal activity. An investigation was launched to identify the mechanical issue that caused the smoke.