An internal Meta policy document reveals the social-media giant’s rules for chatbots, which have permitted provocative behavior on topics including sex and race.

Two U.S. senators — a Republican and a Democrat — are criticizing Meta following a Reuters report that said the company’s AI was allowed to “engage a child in conversations that are romantic."

The revelations have intensified bi-partisan scrutiny of the Mark Zuckerberg-owned, tech giant's safety protocols.