The deployment of National Guard troops on the streets of Washington faces challenges in two courts on Friday — one in the nation's capital and another in West Virginia — while across the country a judge in Portland, Oregon, will consider whether to let President Donald Trump deploy troops there.

The hearings are the latest developments in a head-spinning array of lawsuits and overlapping rulings prompted by Trump’s push to send the military into Democratic-run cities over fierce resistance from mayors and governors. Deployment remains blocked in the Chicago area, where all sides are waiting to see if the U.S. Supreme Court intervenes to allow it. Advertisement

Here’s what to know about legal efforts to block or deploy the National Guard in various cities.

A challenge to troops in Wash

See Full Page