WASHINGTON, Sept. 15 -- A US federal judge yesterday postponed implementation of a Trump administration policy that would impose stricter limits on how long foreign students and journalists can study or work in the United States.

The preliminary injunction from District Judge Dennis Saylor came one day before the new visa rules from the Department of Homeland Security (DHS) were scheduled to take effect.

Under the proposed new rules, foreigners on student visas would be admitted for a maximum of up to four years after which they would have to apply for an extension. International students were previously allowed to remain for the duration of their studies.

Foreign journalists would be limited to stays of just 240 days, or around eight ...