A 23-year-old youth, K. Manikandan, of Muthusamypuram was stabbed to death by two of his neighbours, T. Manickam (21) and S. Eswaran (19) following a quarrel, on Thursday evening. The police said that Muthumari, aunt of Manikandan had scolded the accused for consuming liquor near her house. Consequently, Muthumari lodged a complaint with the Seithur police on Thursday morning. Meanwhile, the accused stabbed Manikandan while he was at his shop on Thursday evening. He was rushed to the Government Hospital in Rajapalayam.