(Bloomberg/Samuel Stolton) — Meta Platforms Inc. risks a temporary European Union ban on the rollout of new policies over how its AI features in WhatsApp, after being hit by the latest probe into Big Tech’s alleged dominance on the continent.

Teresa Ribera, the EU’s antitrust chief, said Thursday she’s weighing so-called interim measures “to ensure that this could not blow up.” She made the comments to reporters in Brussels after signing off on an investigation into suspicions that WhatsApp AI tools may unfairly prevent rival AI providers from offering their business services through WhatsApp.

Under EU rules, competition regulators can order companies to temporarily stop suspect business practices, but these demands can be challenged in the bloc’s courts in Luxembourg. Eventual fines for

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