The deployment of military for domestic law enforcement has drawn backlash from Democrats, with one governor calling it an "abuse of power".

President Donald Trump on Sunday threatened to expand his military deployments to more Democratic-led cities, responding to an offer by Maryland's governor to join him in a tour of Baltimore by saying he might instead “send in the ‘troops.

Sources tell NBC news the search on former national security adviser-turned prominent Trump critic John Bolton’s home was focused on classified records. But it is difficult to separate these claims from the words of a president who campaigned on promises of revenge against his political enemies.

Six states have now sent Guard troops to D.C. under President Trump's anti-crime initiative and the president says Chicago could be next.