article_snippet.sent: A Delta Air Lines spokesperson added: ‘Out of an abundance of caution, the flight crew shut down both engines and notified the airport fire department.
article_snippet.sent: ‘The aircraft was towed to the gate where customers deplaned normally.
highlights_snippet.sent: the flight crew shut down both engines and notified the airport fire department .
  
highlights_snippet.sent: Plane was towed to the gate and passengers allowed to disembark .