The crisis enveloping New York City Mayor Eric Adams’ administration deepened as an aide was charged with witness tampering and destruction of evidence and a former Fire Department official pleaded guilty to a bribery conspiracy charge.

Mohamed Bahi, who worked in the mayor’s office of community affairs, was accused of instructing witnesses to lie to federal authorities.

Mohamed Bahi, who recently resigned from New York Mayor Eric Adams’s administration, faces federal charges in connection with Adams’s 2021 campaign.