In a sign of increasing cooperation with Donald Trump’s anti-immigration plans, New York City’s Democratic mayor, Eric Adams, is weighing whether to allow the federal Immigration and Customs Enforcement agency (Ice) to re-establish an office at the city’s notorious Rikers Island jail.

An Ice office there closed in 2015 under sanctuary laws that severely limit the city’s involvement with federal immigration enforcement. Having a facility at the jail would make it easier for federal agents to deport people held there before they can be released on to the streets.

In addition, Adams has enraged immigration advocates by issuing guidance to all city agencies making it easier for Ice officers to go into what had previously been designated as sensitive locations, such as schools, migrant shelters, churches and hospitals.

Under current law, signed by the former mayor Bill de Blasio, New York City police and corrections officers do not usually cooperate with Ice enforcement, and Ice is prohibited from many locations except when they have a warrant signed by a judge that alleges a serious crime has been committed.

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