TUNAPUNA CID officers, along with officers of the Northern Division Task Force, raided a number of homes in the Tunapuna area between Thursday and yesterday morning during which they seized six handguns.
The exercise was spearheaded by Insp Mark Maharaj of the Tunapuna CID.
Police said 11 people were arrested for having the six guns in their possession, four people were arrested for driving under the influence of alcohol, while 178 fixed penalty notices were handed out.
Police said a further nine people were arrested for various outstanding offences, namely, ammunition possession, narcotics possession and robbery.
The 20 men and women arrested are expected to appear before a Tunapuna magistrate tomorrow.