Reaction to Ukrainian crisis within Russian/Ukrainian diasporas

What are the reactions of people in Russian or Ukrainian expat communities in the United States or other Western countries to the current Ukrainian crisis? Do most people instinctively side with the position of their mother country? Or is there a diversity of opinion as a result of greater access to information outside of state-controlled media? Is there tension within or between groups of Russian and Ukrainian expats? I really have no more than a WAG, and would like the input of people who have actual knowledge.