ABC News’ Martha Raddatz interviews Sen. Chris Van Hollen on “This Week" over President Trump deploying the National Guard to Washington, D.C.

Republican governors are sending hundreds of National Guard troops to aid in Trump's takeover of policing in D.C.

We stand ready to support our partners in the National Capital Region and contribute to the collective effort of making our nation’s capital a clean and safe environment,” the

Three Republican-led US states will send members of their National Guard forces to Washington, DC to bolster the roughly 800 troops President Donald Trump has already deployed to the city.

The Republican governors of West Virginia, South Carolina and Ohio announced Saturday they will send National Guard troops to Washington, DC, in an escalation of President Donald Trump’s efforts to federally take over law enforcement in the city.

South Carolina and Ohio say they will send a combined 350 National Guard troops to Washington, D.C., supplementing a surge of troops from Republican-led states.

Trump's plan to address crime in D.C. calls for deploying National Guard troops along the National Mall overnight Wednesday into Thursday morning, according to a source.

West Virginia, South Carolina and Ohio are sending several hundred National Guard troops to Washington to bolster the federal deployment that President Donald Trump has ordered in his effort to reduce crime in the nation’s capital.

In New Mexico’s most populous city, National Guard troops are listening to the police dispatch calls, monitoring traffic cameras and helping to secure crime scene perimeters, tasks not usually part of the job.

National Guard troops called on to active-duty by President Donald Trump arrived on the footsteps of the Washington Monument on Tuesday.