Washington items.
--A Washington correspondent of the Baltimore Sun, under date of Sept. 12, says:‘ The new metropolitan police, to the number of one hundred and five, went on duty for the first time last night.
Yesterday Deputy Marshal Phillips and detective officer A. R. Allen arrested John W. Burson, formerly a clerk in the Interior Department, and Alfred Nettleton, formerly a messenger in the Navy Department, under the late Administration, upon the suspicion of their being disloyal and acting in concert with the Confederates. They were taken before Justice Donn, who committed both to jail to await a hearing.
On Tuesday, after the flag presentation by Gov. Curtin, three members of the Lochanan Rifle Guards, Seventh Pennsylvania (reserve) Regiment, were examining a pistol, when it was accidentally discharged, and one of the men, named Mathew Roche, was instantly killed.
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