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Sky correspondent Alex Rossi, who is in Washington DC, said that he understands the suspect drove into police before jumping out of the vehicle and held a knife.
Both police officers have were taken to hospital for treatment, where one of them died.
Read more for latest: https://news.sky.com/story/us-capitol-one-person-shot-outside-building-and-area-locked-down-emergency-services-say-12264099
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