How are officials assessing the risk of flooding in Montreal?

With heavy rain, rising temperatures, and snowmelt all happening at once, parts of Quebec are now under flood watch, including here in Montreal, where the city has already activated its special response plan. Jason Thistlethwaite is an Associate Professor in the School of Environment, Enterprise and Development at the University of Waterloo, he spoke to Trudie Mason. Photo Credit: THE CANADIAN PRESS/John Woods