A gun distribution ring was busted with simultaneous raids on 3 city homes and 2 county homes. One of the homes raided was on the 5000 block of Harford Rd, another home raided was on the 4500 block of Mary Ave just east of Belair Rd.  Details can be found in the Baltimore Sun article below.

http://www.baltimoresun.com/news/breaking/bs-md-ci-gun-arrests-20120308,0,5783356.story