In the evening of October 22 in the center of Yerevan an explosion occurred leaving the Deputy Director of Caucasus Media Institute, journalist Mark Grigorian injured. The explosion was supposedly caused by a trench bomb. According to Mark Grigorian, he did not remember the man who had thrown the bomb. The journalist also found it hard to give reasons for the incident, mentioning that lately he had been preparing a story on the trial on the terrorist attack in the Armenian Parliament of October 27, 1999, for the electronic newsletter of the London Institute of War and Peace Reporting.
The Prosecutor’s Office of Yerevan instituted criminal proceedings by the article of "intended murder attempt with aggravating circumstances".