First time I saw it, too. So I did what I sometimes do, which is to search for the image on tineye.com. That got me to goodmorningamerica.com. It turns out it was from the a rally after Super Tuesday in the 2020 race, when anti-dairy activists tried to take the stage. Jill Biden sprang into action and attacked the protestor.
Here's the address: https://www.goodmorningamerica.com/news/story/jill-biden-symone-sanders-deemed-super-tuesday-heroes-69384339