Airbus has confirmed an incident has taken place at its airport, but said it involved a private plane and not one belonging to the company.
A spokesperson added Airbus did not have information relating to the two people who died in the crash.
North Wales Police are investigating the circumstances of the crash and an Air Accident Investigation team is expected to arrive today.
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Crowds came to hear him speak this afternoon in Bangor - a seat where fewer than 100 votes could make the difference at the next election.
Scattered showers with the odd heavy burst possible but there will be plenty of sunny spells too.
A rather wet and windy evening, with rain in the north and showers elsewhere.