D.C. police have arrested numerous suspects, including one as young as 12 years old, in a series of robberies around the District during this past week. A 12-year-old boy, 13-year-old boy and 14-year-old boy were arrested for a robbery in the 700 block of North Capitol Street on July 30. Eighteen-year-old Lepierre Clemens was arrested for an Aug. 1 robbery with assault that occurred at the 5100 block of D Street Southeast. A 13-year-old boy was arrested for an attempt to commit robbery on Aug. 2 on 18th Street Northwest. Another 14-year-old boy was arrested for a robbery on Aug. 4 in the 7000 block of Eastern Avenue Northwest. Lastly, Errol Martin, 18, and a 15-year-old boy were arrested for an armed robbery with a knife on Aug. 2 that took place July 27 in the 1500 block of 19th street.