The attack on the Enugu left at least 20 people dead.
Police said in a statement on Wednesday that operatives of the police Inspector General’s Intelligence Response Team (IRT) arrested the suspects based on “credible intelligence”.
The statement signed by spokesperson, Olabisi Kolawole, said the response team arrested Mohammed Zurai, Ciroma Musa, Sale Adamu, Suleiman Laute and Haruna Laute.
Police said they also recovered one Gionee L88 mobile phone with memory card containing the video recording of the massacre in the community.
The police said the team, on May 6, also arrested a three-man syndicate of bank robbers/kidnappers and recovered arms, ammunition, dynamites and rifle servicing tools from them.
“The gang members, Gogo Daniel Ume, Ikado Michael and Ifeanyi Kalu had been terrorizing Rivers, Imo and Enugu State, respectively,” the statement said.
“Items recovered from them include 3 AK-47 rifles; 1 LAR rifle; 310 rounds of live ammunition; 12 rifle magazines; rifle servicing tools; cache of dynamite explosive; 1 Toyota Highlander Jeep; 1 Toyota Venza jeep; and 1Ford Edge Jeep.