US lawmakers are vowing an investigation into how law enforcement handled Wednesday's violent breach at the Capitol, questioning whether a lack of preparedness allowed a mob to occupy and vandalise the building.

For the full story on how a pro-Trump mob breached the US Capitol, click here: https://www.telegraph.co.uk/news/2021/01/07/could-mob-occupy-us-capitol-siege-raises-security-fears-police/

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