British Columbia's election agency says it has discovered that a ballot box containing 861 votes wasn't counted in the recent provincial election, as well as other mistakes, including 14 votes going unreported in a crucial riding narrowly won by the NDP.

The errors prompted B.C. Conservative Leader John Rustad to call for an independent review on Monday.

Elections B.C. said in a statement that the omission of the ballot box did not affect the result in Prince George-Mackenzie, the electoral distr…