The US first lady Jill Biden said it was important to show the people of Ukraine that the war has to stop and it has been brutal and also that the people of the United States stand them with them.
US first lady Jill Biden made an unannounced trip to Ukraine on Sunday to show support for its people amid Russia's invasion, visiting a school that is serving as a temporary shelter and meeting Ukraine's first lady, Olena Zelenska, according to a pool report.
"I thought it was important to show the Ukrainian people that this war has to stop and this war has been brutal and that the people of the United States stand with the people of Ukraine,” Biden said.
The US first lady had also met with Ukrainian refugees in eastern Slovakia on Sunday, the last day of her tour of Romania and Slovakia to visit US servicemen deployed there and women and children who fled Russia's invasion of Ukraine.
Biden spoke to refugee families, volunteers and local authority workers at a refugee centre in the eastern Slovak city of Kosice, one of the main transit points for over 400,000 Ukrainian refugees who have crossed the border to Slovakia since the Russian invasion started on February 24.
The United Nations says 5.8 million people in total have fled Ukraine since Russia started what it casts as "special military operation" in Ukraine.
"When the war started we understood that nowhere in Ukraine is safe," Viktoria Kutocha, a teacher who fled from the western Ukrainian city of Uzhhorod with her 7-year old daughter, told Biden.
Biden, the wife of US President Joe Biden, asked Kutocha how she explained the war to children.
"It's very difficult to explain. I only said there is a war and I cannot explain because I do not know myself," Kutocha said.
"It's senseless," Biden responded, before embracing the mother and her child.
Biden, who teaches English and writing at a community college in Virginia, also visited a local school attended by refugee children.
"The hearts of the American people are with the mothers of Ukraine," she said, wishing the women at the school a happy Mother's Day.
One woman there said she felt children needed to have the war explained to them. "They need to understand why we are here and why we receive help - why are we separated from our husbands. They need to understand what is going on," she said.
Most of the refugees who crossed into Slovakia have travelled onward to other countries, but over 74,000 have received temporary protection status in the country of 5.5 million.