Man injured in explosion while trying to make bombs, officials say

An explosion at a vacant East Side house seriously injured a man and triggered an investigation into why chemicals suspected to be bomb-making materials were being stored there, authorities said. As of late Tuesday night, no arrests had been made, but the Columbus Joint Terrorism Task Force, headed by the FBI, was called in to assist the Columbus police and fire divisions. Authorities initially thought the explosion, which occurred at 10:39 a.m. in the 600 block of South Hampton Road, involved a