JOHANNESBURG (AP) — African officials are confronting China publicly and in private over mistreatment of Africans in the Chinese city of Guangzhou, and the U.S. says African-Americans have been targeted, too.

Some Africans in the commercial hub have reported being evicted or discriminated against amid coronavirus fears. And a U.S. Embassy security alert on Saturday said that “police ordered bars and restaurants not to serve clients who appear to be of African origin” and local officials have launched mandatory testing and self-quarantine for “anyone with ‘African contacts.’”

That's in response to a rise in virus infections in Guangzhou, the U.S. said, adding that “African-Americans have also reported that some businesses and hotels refuse to do business with them.”

African diplomats in Beijing have met with Chinese foreign ministry officials and “stated in very strong terms their concern and condemnation of the disturbing and humiliating experiences our citizens have been subjected to,” Sierra Leone's embassy in Beijing said in a statement Friday, adding that the diplomats reminded officials of their support of China in the pandemic’s early days.

Fourteen Sierra Leone citizens were put into compulsory 14-day quarantine, the statement said.

Separately, in an unusually open critique, the speaker of Nigeria’s House of Representatives tweeted a video of himself pressing the Chinese ambassador on the issue.

“It’s almost undiplomatic the way I’m talking, but it’s because I’m upset about what’s going on,” Femi Gbajabiamila says.

“We take it very seriously,” Ambassador Zhou Pingjian replies.

Nigerian Foreign Minister Geoffrey Onyeama said he summoned the ambassador to express “extreme concern” and call for an immediate government response.

Kenya also has spoken out. A foreign ministry statement noted “unfair responses against foreigners, particularly of African origin,” from some locals in Guangzhou, especially landlords. Kenya’s embassy in Beijing has “officially expressed concern,” it said.

The statement said the Chinese embassy in Nairobi has told Kenya’s foreign ministry that authorities in Guangzhou “have been tasked to take immediate action to safeguard the legitimate rights of the Africans concerned.”

Chinese Foreign Ministry spokesman Zhao Lijian on Thursday told reporters that China’s most urgent task is to prevent “overseas imports” of the virus but acknowledged that “there might be some misunderstandings in the implementation of measures.”

China treats all foreigners equally, Zhao said.

Clarence Roy-Macaulay in Freetown, Sierra Leone and Ken Moritsugu in Beijing contributed.