US defense officials fear insider attack on Biden inaugurationJanuary 18, 2021
- Authorities will ‘thoroughly vet’ national guard troops
- Pro-Trump Capitol attack on 6 January left five dead
- Kamala Harris: how will the next vice-president wield her power? Join the Guardian for a live conversation at 4pm ET
US defense officials say they are worried about an insider attack or other threat from service members involved in securing President-elect Joe Biden’s inauguration on Wednesday, prompting the FBI to vet all 25,000 national guard troops coming into Washington for the event.
Related: Biden will appeal for unity as US braces for violence by Trump supporters