The New York City Council filed a lawsuit on Monday seeking to force Mayor Eric Adams to carry out a law banning solitary confinement in city jails.halowin

The lawsuit, filed in State Supreme Court, argues that the mayor went beyond his legal authority when he blocked the law earlier this year using emergency executive orders.

“Mayor Adams’s emergency orders are an unlawful and unprecedented abuse of power,” Adrienne Adams, the City Council speaker, said in a statement.

It is the latest escalation of tensions between Mr. Adams and Ms. Adams, who are not related. They have disagreed over housing policies, a law to document more police stops, budget cuts to libraries, and closing the Rikers Island jail complex, among other issues.

The City Council approved a bill last December banning solitary confinement in most cases in city jails, arguing that the practice amounted to torture. Mr. Adams vetoed the bill, and the Council overrode his veto.

In July, on the day before the law was set to go into effect, Mr. Adams declared a state of emergency and issued an order that blocked key parts of the law. The mayor has repeatedly extended the emergency declaration.

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