A federal judge in Manhattan has largely blocked U.S. Immigration and Customs Enforcement agents from making arrests at immigration courthouses in New York City and across the country, ruling the Trump administration policy authorizing the arrests was invalid. The decision indefinitely extends a temporary judicial stay issued in May that mostly paused ICE arrests at the city’s immigration courthouses. It also follows a similar ruling by a federal district court in California that largely banned such arrests across the country. District Judge P. Kevin Castel said federal officials were “arbitrary and capricious” in widely permitting ICE arrests at immigration courthouses...