The inverted red triangle is linked to Hamas, which has used it on videos produced by its al-Qassam military wing to signify Israeli targets. It emerged as a symbol used by pro-Palestinian ...

Palestinian women walk past a graffiti of the Star of David under an inverted “red triangle,” a symbol that Hamas’ military wing, the Qassam Brigades, uses to identify Israeli targets in ...

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.