A jetway collapsed Tuesday morning at Sea-Tac Int'l Airport. The ramp was connected to a Southwest Airlines flight at gate B14. Sea-Tac Airport tweeted that a mechanical failure caused the jetway to drop six feet.

Flight 570 had just arrived from Phoenix and Albuquerque when the passenger bridge buckled.

Sea-Tac also reported all passengers deplaned safely and there are no injuries. Crews are now looking into how much damage was caused to the plane and the exact cause of the malfunction.

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