An armed robbery near the Capitol led Capitol Police to temporarily “secure— the John Adams Building on Monday afternoon, as they helped the Metropolitan Police Department track down two suspects.

Capitol Police sent out an alert at about 3:50 p.m., telling staffers to avoid the area around Third and A streets Southeast but also assuring them that “there is no need for concern.— Later on the First District listserv, MPD First District Commander David K. Kamperin reported that police had arrested two suspects after a “foot pursuit.—

Two suspects used a gun in a hold-up at Third and A streets Northeast, according to an MPD alert that also included a description of the suspects. In a later e-mail, Kamperin said a BB gun had been recovered.

Capitol Police spokeswoman Sgt. Kimberly Schneider in an e-mail said officers “temporarily secured— the Adams Building “until USCP and MPD could determine no suspects re: MPD’s robbery were outstanding.—