MPD: robbery gun at 7:30 pm on the unit block of R Street NW

See this tweet from earlier this evening:

dcalerts ‏@dcalerts  3h

3 hours ago

Robbery Gun at 1930 hrs in the unit block of R Street NW. Lookout unknown.DO NOT TAKE ACTION CALL 911 W/ EVENT # I20140696979

8:30 PM - 30 Dec 2014