Man 'cuts off love rival's penis with garden shears and flushes it down toilet' 17:04, 13 August 2015 By Kirstie McCrum The injuries sustained by the victim were not life-threatening, but no detail is available on what happened his severed member Assault arrest: Ikki Kotsugai allegedly punched the anonymous lawyer into a state of near-unconciousness at his office in Tokyo A man has been arrested after he allegedly cut off his lawyer's penis with gardening shears - and FLUSHED it down the toilet. Police say that the man was acting in a vengeful rage at the legal offices in Minato Ward after he discovered the lawyer was sleeping with his wife. Ikki Kotsugai, a 24-year-old Tokyo graduate student, allegedly punched the anonymous lawyer into a state of near-unconciousness. Law enforcement: Tokyo Metropolitan Police Department have launched an investigation into the circumstances Police then believe removed the lawyer's trousers and severed his manhood, telling them later: "I cut off his genitals and flushed them down a toilet in the law office." The 42-year-old victim's injuries from the attack, which took place at 7.40am on Thursday, were not life threatening, according to The Tokyo Reporter. According to public broadcaster NHK, the suspect is a former boxer at the university. Threatening behaviour: Police say the man he arrested told them: "I cut off his genitals and flushed them down a toilet in the law office" Kotsugai's wife is emplyed at the law office, and it's understood she was there, having been involved in a conversation with her husband and the victim before the assault. Police have launched an investigation into the circumstances. No detail is available on what happened the lawyer's severed member.