On May 6 it will be possible to give an official explanation of the causes of the tragedy over the Black Sea, Armenian Prime Minister Andranik Margaryan told journalists in Yerevan. One should not make hasty conclusions, he added. "Only a thorough investigation can reveal the real causes of the crash," he remarked. The Prime Minister is convinced that the participation of the Armenian specialists in the search works will help to clarify the disputable questions.