Complex sentence: Questions of voter fraud were raised after a number of polls showed over 100% turnout, including the poll at the Ahtahkakoop reserve, which was on election night the last poll to report its results.
Split into simpler sentences: Questions of voter fraud were raised after a number of polls showed over 100% turnout. Including the poll at the Ahtahkakoop reserve, which was on election night the last poll to report its results.