A twelve-year-old boy was stabbed and killed with a sharp object while another youth was criticall wounded during a clash between two groups at a musical show in Thihagoda, Matara. Police said that the incident occurred at around 1.15am today when a fight broke out between two groups of spectators at the event held in the Kapuwatta Grounds. An argument had reportedly spiraled out of control resulting in the clash. A 20-year-old youth was also stabbed during the clash and he is currently in critical condition, police said.