Still, the incident raised enough concern for Flight AZ4000's Capt. Massimiliano Marselli to "promptly report" it to the Benito Juarez International Airport's control tower, according to Alitalia.
Who was responsible? Was the Pope's Airbus A330, which was widely reported to be landing in the Mexican capital at that time, randomly hit or specifically targeted? Especially if it was the latter, why did they do it?