The suspects were caught in possession of three AK-47 riffles, several rounds of live cartridges and many kilograms of Indian hemp.
They were nabbed around Wimpey area of Port Harcourt.
According to Punch, a top security official in the state said the thugs were contracted by politicians to unleash violence on voters and innocent citizens before or during the governorship elections on Saturday.
The state Governor, Rotimi Amaechi, while commending the efforts of the JTF, urged voters and the people of River State to remain calm and peaceful, noting the JTF has assured him that it would ensure peaceful, violence-free elections.
Since the March 28 Presidential elections Rivers state has witnessed series of violence and killings.