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| US helicopters collide in mid-air | US helicopters collide in mid-air |
| (10 minutes later) | |
| At least seven people died in a mid-air collision between two medical helicopters in the US state of Arizona, a US aviation official has said. | At least seven people died in a mid-air collision between two medical helicopters in the US state of Arizona, a US aviation official has said. |
| The incident happened close to a hospital in the city of Flagstaff. | The incident happened close to a hospital in the city of Flagstaff. |
| All three people on one of the helicopters died, at least one of them a patient, the Federal Aviation Authority's Ian Gregor said. | All three people on one of the helicopters died, at least one of them a patient, the Federal Aviation Authority's Ian Gregor said. |
| It was not clear how many of the others who died were in the second helicopter or on the ground, he added. | It was not clear how many of the others who died were in the second helicopter or on the ground, he added. |
| Three people were critically injured in the accident, which occurred at 1545 local time (2245 GMT). | |
| The collision also caused a fire in a heavily wooded area, according to reports from local fire officials. |