A 19-year-old has been arrested for stabbing an 18-year-old boy around 20 times after a quarrel over a petty issue in Delhi. The suspect, Sumit, was involved in illegal liquor transportation. He and his associates were drinking in a park when the victim and his friends arrived, leading to an argument. Sumit, in a drunken state, stabbed the victim multiple times before fleeing the scene. He was later apprehended and confessed to the crime. The investigation is ongoing to determine the involvement of others.