Terrace Search and Rescue is assisting with the search for a missing angler south of Vanderhoof.
RCMP say two people were fishing at Arthur Lake Sunday when their boat capsized.
Police say only one of the two people made it to shore where he eventually flagged down a motorist.
Searchers from Vanderhoof and Terrace combing the lake with sonar and the shores on foot, but the missing angler is presumed drowned.
Police are also reporting another man is missing and presumed drown in the Fraser River at the Xats Ull Heritage Site Road.
RCMP say the man fell into the river early Sunday morning while fishing, and an extensive search has not located the man.