A mother and daughter who were found dead along a hiking trail in British Columbia this week may have been killed by more than one grizzly bear, Canadian wildlife authorities said.

Relatives reported the victims as missing Sunday after they failed to return from the Snooka West Trail in Bella Coola, a small coastal community northwest of Vancouver.

Search teams discovered one set of remains Monday afternoon and another about 500 feet away Tuesday, officials said.

Jeff Tyre, an inspector with the British Columbia Conservation Officer Service, said at a virtual news conference Wednesday that investigators were still working to locate a bear.…