Hi. You have just upvoted more of these Bangla accounts that have been, obviously, created to farm your upvotes.
If you just for for few seconds to check them up, you can see that they ere created at the same time, with no posts and went right into commenting on your posts, irvinesimages and hebrew.
One is even an attempt at phishing by typosquatting magicdice service - magcidice.