The probe was ordered by the Senate after a former staffer in Kenny's office complained he'd required her to do personal business and errands for him on business time.
In addition, Pascale Brisson, who later quit her job, claimed that the longtime Liberal made comments about her appearance and invited her to his Ottawa condo.
The burden of proof was on Brisson to prove her claims and the investigation report, filed this week, concluded that harassment did not occur.
Both Brisson and Kenny have five days to respond to the report's findings before Senate leadership decides on a final course of action.
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