Washington (CNN) President Donald Trump on Tuesday mocked Rep. Rashida Tlaib's grief over her decision not to visit her grandmother in the West Bank after initially being barred by Israel, claiming the Democratic congresswoman "grandstanded" when she shed tears Monday.

Tlaib got tearful as she spoke about visits she had made as a young girl to visit her grandmother in the West Bank. When she spoke about her mother and herself having to go through "dehumanizing checkpoints," Tlaib grew visibly emotional.

"As a young girl visiting Palestine to see my grandparents and extended family I watched as my mother had to go through dehumanizing checkpoints, even though she was a United States citizen and proud American," Tlaib said.

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The Israeli government barred Tlaib and Rep. Ilhan Omar of Minnesota from entry over their support for a boycott of Israel shortly after Trump said the country would be showing "great weakness" by allowing the two Democratic congresswomen to enter.

The boycott movement, formally known as the Boycott, Divest, and Sanctions movement, aims to end international support for Israel because of its policies toward Palestinians, as well as its continued construction of West Bank settlements, considered a violation of international law.

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