Highway 33 east of Kelowna from Joe Riche Road to Goudie Road was closed overnight Sunday after reports of shots fired.
RCMP Sgt. Kris Clark says reports of a shooting at a private event came in just after midnight. During the incident, people at the event were told to shelter in place with the protection of the police.
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The suspect was located shortly after and arrested.
The investigation is still in its early stages and no injuries were reported.
DriveBC reported Highway 33 was reopened around 4 a.m.