My wife of 18 years is from Ukraine and her family live there (Kherson), I also work for an IT company which is 60% Ukrainian so as you can imagine the last few days have been hell.
I know many outside Ukraine wish they could help more and my friend (I know him well) has set up this charity - https://sites.google.com/view/swiss2ua/home. Please feel free to post this on any social media platform.