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WASHINGTON (AP) — As the House opens its impeachment hearing, the District of Columbia National Guard says it has been authorized to arm troops assigned to security duty on the U.S. Capitol grounds.

The Guard said in a statement that the authority was requested by federal authorities and approved by Army Secretary Ryan McCarthy as of approximately 6 p.m. Tuesday.

Up to 15,000 Guard members are expected to be on duty in coming days in the district to support law enforcement in connection with the Jan. 20 inauguration of President-elect Joe Biden. Authorities are concerned about threats of violence, following the insurrection at the Capitol last week.

  • Hundreds of National Guard troops hold inside the Capitol Visitor’s Center to reinforce security at the Capitol in Washington, Wednesday, Jan. 13, 2021. The House of Representatives is pursuing an article of impeachment against President Donald Trump for his role in inciting an angry mob to storm the Capitol last week. (AP Photo/J. Scott Applewhite)
  • Hundreds of National Guard troops hold inside the Capitol Visitor’s Center to reinforce security at the Capitol in Washington, Wednesday, Jan. 13, 2021. The House of Representatives is pursuing an article of impeachment against President Donald Trump for his role in inciting an angry mob to storm the Capitol last week. (AP Photo/J. Scott Applewhite)
  • Hundreds of National Guard troops hold inside the Capitol Visitor’s Center to reinforce security at the Capitol in Washington, Wednesday, Jan. 13, 2021. The House of Representatives is pursuing an article of impeachment against President Donald Trump for his role in inciting an angry mob to storm the Capitol last week. (AP Photo/J. Scott Applewhite)
  • Rep. Brian Mast, R-Fla., gives troops a tour in the Rotunda on Capitol Hill in Washington, Wednesday, Jan. 13, 2021. (AP Photo/Susan Walsh)
  • Rep. Brian Mast, R-Fla., gives troops a tour in the Rotunda on Capitol Hill in Washington, Wednesday, Jan. 13, 2021. (AP Photo/Susan Walsh)
  • Hundreds of National Guard troops hold inside the Capitol Visitor’s Center to reinforce security at the Capitol in Washington, Wednesday, Jan. 13, 2021. The House of Representatives is pursuing an article of impeachment against President Donald Trump for his role in inciting an angry mob to storm the Capitol last week. (AP Photo/J. Scott Applewhite)
  • Hundreds of National Guard troops hold inside the Capitol Visitor’s Center to reinforce security at the Capitol in Washington, Wednesday, Jan. 13, 2021. The House of Representatives is pursuing an article of impeachment against President Donald Trump for his role in inciting an angry mob to storm the Capitol last week. (AP Photo/J. Scott Applewhite)
  • Hundreds of National Guard troops hold inside the Capitol Visitor’s Center to reinforce security at the Capitol in Washington, Wednesday, Jan. 13, 2021. The House of Representatives is pursuing an article of impeachment against President Donald Trump for his role in inciting an angry mob to storm the Capitol last week. (AP Photo/J. Scott Applewhite)
  • Hundreds of National Guard troops hold inside the Capitol Visitor’s Center to reinforce security at the Capitol in Washington, Wednesday, Jan. 13, 2021. The House of Representatives is pursuing an article of impeachment against President Donald Trump for his role in inciting an angry mob to storm the Capitol last week. (AP Photo/J. Scott Applewhite)

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