During a flight over Brazil, a door bursts open, forcing the aircraft to make an emergency landing.

Plane door bursts mid-flight over Brazil. 

12 passengers, 2 pilots aboard during incident. 

EMB 110 aircraft from Sao Luís Airport. 

Carrying band members for Tierry, singer. 

Passenger's video shows descent and panic. 

Plane lands safely after emergency return. 

Probe underway to determine door failure. 

Brazilian officials investigating the incident. 

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