A Red Arrows' plane from Lincolnshire's RAF Scampton has crashed with two pilots ejecting, according to reports.
A spokesman for the Welsh Ambulance Service said: "We were called shortly before 1.30pm this afternoon (Tuesday 20 March 2018) to reports an aircraft had crashed at RAF Valley in Holyhead.
"There is an emergency ambulance and a Wales Air Ambulance at the scene."
A Royal Air Force spokesman added: "Following the aircraft incident at RAF Valley earlier this afternoon, if you were an eyewitness, please send any photographs of the incident to firstname.lastname@example.org. Any images may help with an investigation. Please DO NOT share these online. Please be sensitive, thank you.
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