A helicopter that crashed into a Houston radio tower Sunday, killing all four people aboard and starting a fire below, was on an air tour flight when the accident occurred, the National Transportation Safety Board said Monday. The Robinson R44 helicopter struck the tower and crashed at around 7:51 p.m. Sunday, said the NTSB, which is investigating. The helicopter took off from Ellington Airport, which is in Houston, the NTSB said. Multiple people died as a helicopter crashed into a radio tower in Houston on Sunday. Houston Fire DepartmentThe scene of the helicopter crash Sunday.

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Persons: Robinson, Brian Rutt, Jonathan French, ” Organizations: National Transportation Safety, NTSB, Ellington Airport, SBA Communications, . Houston Fire Department, Houston Fire Department SBA Communications Locations: Houston