The Nigeria Police Force on Thursday announced the arrest of four “notorious arm dealers”, the recovery of 57 AK-47 rifles and a large catchment of ammunition in Jos, Plateau State and from other locations across the country.   Force spokesman, Muyiwa Adejobi, made this known in a statement made available to the press in Abuja.   He listed the suspects to include Hamza Zakari aka Hamzo aged 20, Abubakar Muhammed aka Fancy aged 22, Umar Ibrahim aged 25, and Muhammed Abdulkarim aka Dan-Asabe aged 37, all males and residents of Jos.   According to him, the suspects were arrested following