Beijing. The Chinese government has protested to the United States over the treatment of Chinese arriving to study in America, saying some have been interrogated for hours, had their electronic devices checked and in some cases were forcibly deported from the country.

Xie Feng, the Chinese ambassador in Washington, said dozens of Chinese have been denied entry every month for the past few months when returning to school from overseas travel or visiting relatives in China, according to a post on the Chinese Embassy website.

“When they landed at the airport, what awaited them was an eight-hour-long interrogation by officers who prohibited them from contacting their parents, made groundless accusations against them and even forcibly repatriated them and banned their entry,” he said Sunday at an event at the embassy on student exchanges. “This is absolutely unacceptable.”

The protest comes as the US and China try to boost student and other exchanges to shore up their relations, which have turned confrontational in recent years over trade, technology, human rights and, more fundamentally, the future direction of the world.

Nearly 290,000 Chinese students are in the US, about one-third of the foreign students in the country, according to the embassy post. China has more than 1.3 million students studying abroad, more than any other country, it said.

In a separate online statement, the Chinese Embassy said it had made “solemn representations” to the US government about the treatment of students arriving at Dulles airport in Washington, DC The statement reminded Chinese students to be cautious when entering through the airport.

It wasn't clear whether Xie's comments referenced cases only at Dulles or at other entry points as well.

The US Embassy in Beijing did not immediately respond to a request for comment.

The Chinese Embassy statement said the affected students had their electronic devices checked, were prohibited from communicating with anyone outside and, in some cases, held for more than 10 hours. It said the actions of border control officers “have had a serious impact on the studies of international students from China and caused great psychological harm.”

The statement also said that the actions ran counter to the agreement between Presidents Joe Biden and Xi Jinping at their meeting last November to promote people-to-people exchanges.

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