Trump rally shooting hearing descends into screaming match between Secret Service chief and Republican congressman – as it happened

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The acting director of the US Secret Service, Ronald Rowe, laid out a series of changes that the agency is enacting following the attempted assassination attempt against Donald Trump at a campaign rally in July.

Rowe told the House task force examining the assassination attempt that the Secret Service has created an aviation unit for drone surveillance of potential threats, expanded the use of counter-drone systems, streamlined communication at protective sites and increased security of Trump throughout the rest of the presidential campaign.