Former Mayor Michael Bloomberg is prepared to endorse his old nemesis, Andrew Cuomo, for mayor Tuesday — backing an ex-governor who is mounting a comeback bid in the June 24 Democratic primary. Cuomo secured Bloomberg’s support after months of conversations between their top aides;

Former New York City Mayor Michael R. Bloomberg endorsed Andrew Cuomo in the city’s crowded Democratic mayoral primary, giving the former governor a boost two weeks before the election.

Former Mayor Michael R. Bloomberg is backing former Gov. Andrew M. Cuomo for mayor of New York City. Former Mayor Michael R. Bloomberg on Tuesday announced that he was backing former Gov. Andrew M. Cuomo in the New York City mayor’s race, giving Mr. Cuomo an endorsement coveted by many of the Democratic candidates in the race.