A spate of arrests at immigration courts across the United States this week has rattled people showing up for hearings and may signal a coordinated attempt at deportations under fast-track authority that President Donald Trump sharply expanded soon after taking office.

The detentions come on the heels of similar arrests earlier this week in immigration courts across the country.

U.S. Immigration and Customs Enforcement officers detained migrants at courthouses in New York City, Phoenix, Los Angeles and Seattle, according to family members, attorneys and news reports. In at least some of the arrests,