Help get my dad out of Ukraine

Hello, my name is Olena, and I live in Omaha, Nebraska. My parents live in Sumy, Ukraine. As many of you have seen in the news, Ukraine is under attack by the Russian military, including bombing and ground forces. My mom, who is pictured with me, was able to evacuate and come to the United States. My dad did not yet have a US Visa and could not leave. It was a very difficult decision for my mom to leave my dad in Ukraine with the threat of war. Now I am attempting to evacuate my dad, but he will need to go to Warsaw, Poland to obtain a Visa and leave from there. I do not know how he will travel there and how long he will need to be there, but I am seeking funds to get him out safely. He will have a home to stay in the United States until the war is over or at least until things calm down enough to where it is safe to be there. Any help is greatly appreciated!