Three strangers saved her and her friend’s life — and two of them died in doing so.

On Friday, 16-year-old Destinee Mangum and her 17-year-old Muslim friend, who was wearing a hijab, were on a Portland, Oregon, light-rail train when a man — now identified as 35-year-old Jeremy Joseph Christian — yelled what police described as “hate speech toward a variety of ethnicities and religions.” Mangum and her friend moved away from the man, fearing for their lives.

Strangers intervened, telling the man he couldn’t disrespect the girls like that. What started as an argument suddenly turned violent, however, as Christian allegedly began stabbing people.

Ricky John Best, a 53-year-old military veteran, and Taliesin Myrddin Namkai-Meche, a 23-year-old who graduated from Reed College last year, died as a result of theirdone about that incident. On his Facebook page, he appeared to support Nazis and Oklahoma City bomber Timothy McVeigh, according to CBS News.

The attack is particularly awful as it comes during the beginning of Ramadan, the Muslim holy month.

More broadly, it’s just the latest act in what seems like a wave of hate crimes following President Donald Trump’s election in November. Trump condemned the Portland attack on Twitter, but his racist, Islamophobic, and anti-immigrant rhetoric on the campaign trail has been widely criticized as a reason for a potential uptick in such bigoted acts.

Earlier in May, Sean Urbanski, who’s white, stabbed and killed Richard Collins, who’s black, at the University of Maryland. And before that, there were reports of mosques being burned, violent attacks against Indians, and a