Lawyers for a group of Canadians affected by cancer they blame on exposure to a weed killer have filed three proposed class-action lawsuits against the product's manufacturer, alleging Bayer and Monsanto knowingly endangered lives.

A Saskatchewan farmer is leading a class action lawsuit against the company behind the Roundup product.

According to an Alberta dairy farmer, the ramifications of a recent U.S. jury award against the maker of the world's most widely-used weed killer are worrisome.