The Louisville Metro Police Department is again participating in the "National Night Out" campaign.All eight LMPD divisions will have various activities and provide crime prevention tips Tuesday evening, generally from 5:00-8:00.National Night Out, now in its 27th year, is a partnership involving citizens, neighborhood organizations and police to encourage participation in anti-crime programs and drug prevention awareness.Some LMPD divisons will have food, school supplies, prizes and free disposal of old prescription drugs.