The mayor and two other local officials pleaded not guilty on Thursday after being accused of taking part in a scheme in which F.B.I. agents posing as real estate developers offered bribes.

The mayor of Jackson, Miss., a city council member and a district attorney have been indicted on charges of participating in a bribery scheme,federal prosecutors said.

The mayor of Mississippi’s capital said Thursday that “he will continue to handle the business of the city” after he pleaded not guilty to charges related to allegations of a bribery scheme that have also led to the indictments of a prominent district attorney and a former City Council president.