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A woman drowned on Sunday afternoon, after her motorized wheelchair fell into the Rideau Canal in downtown Ottawa.

Police and paramedics were called to the Colonel By Drive near the Laurier Avenue Bridge just after 1 p.m. Five officers jumped into the canal and pulled the woman from the water. The woman was under the water for nearly 10 minutes and had no signs of breathing or a pulse. She was taken to the General Campus of the Ottawa Hospital in critical condition and was later pronounced dead.

(source)