An EU aviation body on Thursday demanded further investigations following an in-flight engine fire on an Airbus aircraft. The probe will target at least part of the A350 fleet, the European Aviation Safety Agency (EASA) told dpa. An A350-1041 aircraft on a flight from Hong Kong to Zurich suffered an engine fire shortly after take-off on Sunday. The fire was extinguished immediately and the aircraft flew safely back to Hong Kong. It was unclear what exact requirements EASA has for the upcoming investigation, described as a “precautionary measure” by the agency. The aviation safety agency intend…