Around 2 a.m., noisy revelers emerging from clubs and bars packed the sidewalks of U Street in Washington, many of them seeking a late-night slice or falafel. In short, that law enforcement surge to take control of the District of Columbia's streets did not appear to unfold on schedule.

President Trump's planned law enforcement surge in D.C. didn't appear to happen as scheduled. But a days-long security lockdown could still occur.