30 year old Han Chinese man gets his penis cut with scissors for no reason by a woman in Singapore. The woman was 4 years older than him.
https://eresources.nlb.gov.sg/newspapers/Digitised/Article/straitstimes19871023-1.2.24.8?ST=1&AT
In Ang Mo Kio Avenue 10 in Singapore, on Tuesday, 20 October, 1987. 7:15 AM, a 30 year old Han Chinese man W. K. Ting was a shopkeeper and asleep with a 34 year old woman, a factory worker used a pair of scissors to snip his penis. He woke up feeling a sharp pain and she fled and threw the scissors down. He crawled and was taken to the hospital by an ambulance. It was reported on Friday 23 October 1987 and the woman was not caught.