 Rann formally resigned from the premiership on 21 October 2011, and Weatherill was elected unopposed as his successor.Rann resigned from parliament on 13 January 2012 which created an 11 February 2012 Ramsay by-election.Zoe Bettison easily retained the seat for Labor with only a slight swing against her, and Ramsay remained the safest of Labor's lower house seats.