Former New York City Mayor Michael Bloomberg is preparing to enter the crowded 2020 Democratic primary after saying earlier this year he would not run for president.

People briefed on Bloomberg’s plans told The New York Times that he will file paperwork this week to declare himself a candidate in the Alabama presidential primary ahead of the state’s filing deadline Friday. 

A Bloomberg adviser said the former mayor and billionaire businessman has been privately mulling a White House bid for weeks and has not yet made a final decision.

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