On Sunday the Moscow police said a dead teenager was found not far from Kastanayevskaya str, 45. "The law enforcers identified Artur Martirosyan, aged 15, native of Armenia and a 7-grade pupil of a Moscow school," a source said. According to the date available, the teenager died of a knife wound in left part of the chest. A criminal case has been initiated. Moscow police officials also engaged into the investigation, reports Interfax.