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CALGARY — The Calgary Stampeders signed Canadian receiver Tyson Middlemost to a contract extension Tuesday. The 25-year-old native of Dundas, Ont., was slated to become a free agent next month. The six-foot-one.

EDMONTON — Alberta NDP Leader Rachel Notley announced Tuesday she would step down from the role once a replacement is chosen. Here are some highlights of her life and career: Age: 59. Born April 17, 1964.

RED DEER, Alta. — Canada's Brad Gushue opened the Grand Slam of Curling's Co-op Canadian Open with a 7-1 victory over Norway's Magnus Ramsfjell on Tuesday. Gushue, from St. John's, N.L.

Calgary Flames goaltender Jacob Markstrom is out day-to-day with a lower-body injury, the NHL club announced Tuesday. Markstrom, who is 13-11-2 with a 2.59 goals-against average and .

CALGARY — Alberta oil production hit an all-time record in November, as oilsands companies ramped up output to prepare for the imminent completion of the Trans Mountain pipeline expansion.

EDMONTON — The mayor of Alberta's capital introduced a motion calling for an emergency to be declared over homelessness and housing Monday, along with a plan for immediate and systemic change.

Edmonton's Capital Power Corp. and Ontario Power Generation are joining together to assess the feasibility of developing small modular nuclear reactors to help power Alberta's electricity grid.

EDMONTON — Loucheiz Purifoy will return for a second season with the Edmonton Elks. The veteran defensive back signed a one-year contract extension Monday with Edmonton.

EDMONTON — Alberta's electricity operator says it ended a grid alert after more wind and solar power on Monday helped ease strain on the system.

CALGARY — A French-language trial for a man accused of sexually assaulting seven women was delayed Monday for an undetermined period of time.