Another winter storm is wreaking havoc on air travel in southern Ontario and in Montreal, with more than 420 flights cancelled today at four major airports. There are also a number of cancellations in Boston and Washington, D.C. After being walloped by snow storms over the last couple days, another 25 centimeters of snow or more was expected overnight and on into Sunday in parts of the Greater Toronto/Golden Horsehoe region tonight and tomorrow. The Weather Network says the storm is expected to move east and crush Montreal with 25 to 40 centimeters of white stuff on Sunday and Monday. Read more