February 16, 2020 Denver’s Mayor Doubles Down On City Pit Bull Ban Emily Brill Denver Mayor Michael Hancock announced he will veto an ordinance passed last week by the city council that would have repealed a 30-year-old ban on pit bulls…. This page is available to subscribers only. Trupanion Members and Vet Professionals: Skip The Paywall, Pay $0Click here to log in or subscribe.