After Secretary of State Marco Rubio determined that Ambassador Ebrahim Rasool was no longer welcome in the U.S. and posted his decision Friday on social media, South African embassy staff were summoned to the State Department and given a formal diplomatic note explaining the decision,

Secretary of State Marco Rubio declared Friday evening on social media that South Africa’s ambassador to the U.S. was barred from entering the country. Rubio shared reporting from the far-right media outlet Breitbart News comments by Ambassador Embrahim Rasool linking President Donald Trump to White supremacy.

Secretary of State Marco Rubio said Friday that South Africa’s ambassador to the United States “is no longer welcome” in the country, in the latest Trump administration move targeting the African nation.