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TikTok said it continued to restrict videos and blocked the search as it became linked to unhealthy weight loss content.

They’ve blocked sitting members of the House and Senate from entering federal buildings, obstructed them from conducting oversight and undermined their inquiries.

Students later told how one of the only staircases out was blocked by debris.

A rally involving several thousand people took place in Whitehall in January after police blocked plans to hold a march from Portland Place, near the headquarters of the BBC.

Aircraft engines rely on a precise fuel metering system - if that system gets blocked, it can lead to fuel starvation and engine shutdown.