Voting is under way in Jonesboro and Pine Bluff in mayoral runoff elections. Polling places opened at Seven-30 this morning and will stay open until seven-thirty tonight. Jonesboro Mayor Hubert Brodell didn`t seek re-election, after 18 years in office. Voters in the city will choose between business manager Dan Pierce and police Seargent Doug Formon. The men emerged as the top two finishers in a seven-candidate field from the November Second general election. In Pine Bluff, Carl Redus and state Senator Brenda Gullett are on the ballot.