Two gunmen on a motorcycle have opened fire on the Karachi airport academy and fled, an airport security force spokesman said.
More top news
The company said its role was not to decide what was or was not compliant with local building regulations.
The Neapolitan mastiff, who weighs over eight stone, beat off other underdogs to win the 29th World's Ugliest Dog Contest.
Three deadly attacks, including a twin explosion in a crowded market place, across Pakistan have left dozens dead and many injured.