MIAMI (CBSMiami) – Hazmat crews had to be called to the tarmac at Fort Lauderdale-Hollywood International Airport after a Southwest Airlines passenger became sick on a plane.

Investigators say several passengers complained of feeling sick and of smelling a mysterious odor, but only one passenger required medical attention.

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The passenger was taken to Broward Health Medical Center.

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The plane was headed to Havana, Cuba.

Officials said everyone had deplaned and had emptied the luggage from the Boeing 737.

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Images from Chopper 4 showed several fire and rescue units surrounding a jetliner on Friday afternoon.