The idea is that residents and tourists would awake Thursday morning to the sight of military presence, according to a person familiar with the effort.MORE: Trump to seek 'long-term' extension of federal control of DC policeEarlier this week,

The US president has declared a public safety emergency as he promises to tackle crime and homelessness in the nation's capital.

A judge in a bench trial over the federal government's use of the California National Guard in Los Angeles in response to protests questioned the U.S. attorney.