This story has been updated.

Seven people, all in their teens or possibly younger, carried out an armed robbery Saturday evening in Southeast Washington, according to a preliminary police account.

It was one of two robberies reported in Southeast on Saturday in which at least five youths took part, and in which a moped was reportedly involved.

According to a description given to police, the robbers appeared to be in the 12 to 15-year-old age bracket. The robbery was reported about 6:30 p.m. in the 3700 block of Second Street SE. The address is in a residential neighborhood near Ballou High School.

According to the an initial police account, all of the robbers wore hoodies. One was said to be purple and one green.

Based on the police report, at least one of the seven young robbers carried a pistol.

About three hours earlier, police were told of a robbery in which five or six youths were involved. That robbery was reported about 3:30 p.m. At least some robbers reportedly rode off on a moped. That incident occurred in the 1200 block of Sumner Road SE.

The address is about two miles north of the scene of the other robbery.

No information was immediately available on whether the two incidents were connected.