内容摘要：To spur the industry, last August the Bureau of Indian Standards (BIS) introduced new quality rules for all shoes sold in India.

To spur the industry, last August the Bureau of Indian Standards (BIS) introduced new quality rules for all shoes sold in India.

Homeland Security Secretary Kristi Noem said the administration had revoked Harvard's "Student and Exchange Visitor Program certification as a result of their failure to adhere to the law.""Let this serve as a warning to all universities and academic institutions across the country," she wrote on X on Thursday.

Harvard called the move "unlawful" in a statement."We are fully committed to maintaining Harvard's ability to host our international students and scholars, who hail from more than 140 countries and enrich the University – and this nation – immeasurably," the university responded."We are working quickly to provide guidance and support to members of our community. This retaliatory action threatens serious harm to the Harvard community and our country, and undermines Harvard's academic and research mission."

The Trump administration's decisions could affect thousands of international students who study at the university. Over 6,700 international students were enrolled at the institution last academic year, university data shows, making up 27% of its student body.News quickly spread through the international community on campus Thursday, sparking fear and frustration among the thousands of students whose futures were suddenly in limbo.

"We're seeing a lot of confusion on this," Sarah Davis, an Australian student receiving a graduate degree, told BBC Newshour.

"The news has come only five days before a lot of us are due to graduate the university, and this obviously is going to have a lot of very uncertain implications for whether we're able to stay on in the United States afterwards and keep working here," said Ms Davis, who is president of the Australia and New Zealand Caucus at the Harvard Kennedy School.The presenter

the response to his tweet was "silly - it shouldn't have been"."I love the BBC. I've been there for nearly 30 years but people make mistakes, they recognise that and they addressed it and in the end, thankfully, we're all back to work," he said.

The incident prompted a review of BBC social media guidelines. Last September, new rules were published for BBC flagship presenters, saying they should be allowed to express views on issues and policies, but stop short of political campaigning.Lineker said the recommendations were "all very sensible".