BALLSTON SPA - A Hamilton County man admitted this week to an ax attack on a man last year in Corinth, Saratoga County District Attorney's officials said. Justice D. Locke, 20, of Indian Lake, pleaded guilty in Saratoga County Court Thursday to one count of first-degree assault. Locke admitted that he entered an apartment of a man in Corinth late on Oct. 26 and attacked the resident with a tomahawk-style ax, seriously injuring the man, prosecutors said. Paramedics were called to the address hours later by a cab driver who discovered the victim and called 911. The victim was airlifted…