Nazis used a red triangle to classify political prisoners during World War II. The Trump campaign said the red triangle in its Facebook ads was associated with antifa, a claim experts rejected.

Meta has deemed the inverted red triangle (and its accompanying emoji) a proxy for pro-Hamas support, and is enforcing its removal on platforms like Facebook, Instagram, and WhatsApp.

Hamas militants have used an inverted red triangle to mark military targets. Pro-Palestinian protesters have also used it to vandalize homes.

Nazis used red triangles to mark political prisoners. That symbol is why Facebook banned a Donald Trump reelection campaign ad.

Facebook removes Trump ads over Nazi-like red triangle symbol Facebook took down ads on President Trump's pages Thursday featuring a symbol identical to one used by Nazis to designate political ...

Antisemitic vandals who defaced the Brooklyn Museum director's co-op Tuesday night painted a red triangle on the front door — a symbol that has been widely used in Hamas propaganda showing ...

“THE RED TRIANGLE is well-positioned to be a big summer event movie,” said Allen Media Group’s Founder, Chairman and CEO, Byron Allen.

Nazis Put This Symbol on Political Opponents’ Arms. Now Trump is Using It. The upside down red triangle was used in Hitler’s concentration camps.

The red inverted triangle was first used to identify Communists, and applied as well to members of other opposition parties.