Charleston police officers raided two apartments in the Cooper River Courts public housing project Wednesday night and found two semi-automatic pistols as well as a quantity of marijuana and cocaine, according to police reports.

About 9:30 p.m., officers searched an apartment at 9B Jackson St., where they found 12 grams of marijuana in bags, a pill grinder, a digital scale and a Colt 1911 pistol with an obliterated serial number. Four children found in the apartment were released to a relative.

Dereck Maxwell, Tanesha Young and Shameka Young were each charged with possession of a firearm with an obliterated serial number. Maxwell, 26, also was charged with possession with intent to distribute marijuana and possession with intent to distribute marijuana within close proximity to a school. Tanesha Young, 22, and Shameka Young, 21, each were being held Thursday in the Charleston County jail on $10,000 bail. Maxwell was being held on $40,000 bail.

Fifteen minutes later, the officers searched an apartment at 84 Johnson St., Apartment J, where they found about 0.2 grams of cocaine base, a digital scale, two cameras, a cell phone, a DVD player and $165 in cash. They also found a loaded Hi-Point .40-caliber semi-automatic pistol and boxes of 9 mm and .380-caliber ammunition.

Two children were found in playpens, police said. The Department of Social Services was notified, police public information officer Charles Francis said.

Monteze Anthony Campbell, 24, was charged with possession of cocaine base. He was being held at the jail on $10,000 bail.