BRIEF-Cenovus sends non-essential staff home from oil sands project due to fire risk
May 5 (Reuters) - Cenovus Energy Inc
* Says Christina Lake oil sands operations unaffected by Fort McMurray wildfire
* Non-essential staff sent home from Christina Lake project because of risk of wildfires in area Source text for Eikon: Further company coverage: (Reporting By Nia Williams)
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