They are assaulted on a daily basis by giant cruise ships, uncouth tourists, feral pigeons and flooding caused by high tides. Now Venetians have declared war on a new foe – noisy suitcases on wheels. Shopkeepers, cafe owners and residents say they are being driven half mad by the incessant rumble of visitors trundling their luggage along the city’s narrow alleyways and up and down delicate stone bridges. The wheeled suitcases are essential in a city without roads, where tourists have to reach their hotels either by water bus or by walking. Now Venice council wants to introduce a ban on luggage equipped with hard rubber wheels, forcing the city’s 27 million annual visitors to instead use suitcases that roll on air-filled, softer wheels that make less noise.