When violent, homophobic people use "Iran" in their verbal assaults, what can u do?

Two Men Allegedly Verbally, Physically Harass LGBT Subway Passengers After NYC Pride (VIDEO) 

And this happened: "[The older man] started to say things like, if you were in Iran you would be killed," Koirala said. Koirala is the one who made this video: 

Read the rest of it on huffington post.