Except as otherwise provided in NRS 268.325, any vacancy occurring in the office of council member by death, resignation, removal or otherwise must be filled by the mayor and city council at the first regular meeting after the vacancy, when the council and the mayor, who has the same voting power thereon as a council member, shall by a majority vote elect some person possessing the requisite qualifications, who shall hold the office until the election and qualification of a successor at the next general city election.