Mitt Romney was projected to finish first in the Washington, D.C. primary on Tuesday night by NBC News.
The District of Columbia allocates 16 delegates by winner-take-all.
Rick Santorum did not qualify for the ballot.
Click here for a rundown on who's ahead in the race for the Republican presidential nomination.
Below, a live blog of the latest developments to unfold on primary day.
More:Washington Dc Primary Washington Dc Primary 2012 Washington DC Primary Results Ron Paul Rick Santorum
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