Tehran, January 21, AzerTAc  Iranian Mehr News Agency has issued an article on the January 20 tragedy. The author highlighted the history of the tragedy, saying on January 19-20, 1990, the soviet troops invaded Baku and killed innocent citizens. That night more than 700 people were wounded, and 147, including 6 Russians, 3 Tatars and 3 Jews were killed.The author also highlighted the socio-political situation in Azerbaijan at the end of the 80th, and noted every year on January 20 Azerbaijani people commemorates shahids and that day was declared as the National Day of Mourning.The full article is available at www.mehrnews.com/news/2470314/ Rabil Katanov Special correspondent