LONDON (AP) -- Air safety authorities in Britain say a helicopter and an aircraft have been involved in a midair collision northwest of London.
The Air Accidents Investigation Branch said Friday it was sending a team to Aylesbury, Buckinghamshire to investigate.
Fire and ambulance services rushed to the scene of the incident at 12:06 p.m. GMT (7:06 a.m. EST), close to the village of Waddesdon.
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