Police raided an apartment complex Sunday that houses mostly senior citizens and arrested three men for drug possession.Police say they burst into unit 203 at the Sopko Apartments on Knights Corners after conducting an ongoing investigation into reported drug sales in the complex. Inside, police say they found crack cocaine, powder cocaine, PCP and other drug paraphernalia.Police arrested Joseph Crawford, 29, Patrick McVeigh, 40 and Michael Springman, 46, who lives in the apartment. They are being charged with possession of controlled substance and drug paraphernalia.