Mark Kennedy (Postmedia News):
Conservative leader Stephen Harper, for the second time in the election campaign, has launched fierce attacks against the Liberal premier of Ontario and the NDP premier of Alberta — and both are fighting back.
See also: “Harper, Wynne take shots at each other” (The Toronto Sun)
See also: “Premier Notley unloads on Harper after his remarks badmouthing the Alberta NDP government” (The Calgary Sun)
See also: “Harper Gets Called Out By Albertans After Sassing NDP Government” (The Huffington Post Canada)