1990 Tbilisi–Agdam bus bombing

On 10 August 1990, an explosive device detonated aboard a bus carrying 60 passengers as it travelled from the Georgian capital of Tbilisi to the Azerbaijani town of Aghdam. The blast occurred near Khanlar, approximately 12.5 kilometers from Ganja, Azerbaijan's second-largest city. Reported fatalities range from 15 to 20, with the number of wounded reported between 16 and 30, according to Wikipedia's summary of the incident.

Azerbaijani authorities alleged the bombing was carried out by two ethnic Armenian men, identified as Armen Mikhailovich Avanesyan and Mikhail Mikhailovich Tatevosov (also rendered Tatevosyan). Azerbaijan attributed the attack to operatives of an organization called Vrezh, though Wikipedia notes the group's existence is possibly unconfirmed. The same source states that this organization's first attributed action was the bombing of a Tbilisi-Baku bus on 16 September 1989, which killed 5 civilians and injured 27.

According to the Wikipedia account, Azerbaijani security forces claimed to have arrested Avanesyan and Tatevosov before they could carry out a subsequent planned attack on the same Aghdam–Tbilisi route, which had allegedly been scheduled for 17 June 1991. The Supreme Court of Azerbaijan tried the two men, and in May 1992 found them guilty, sentencing Avanesyan to death and Tatevosov to 15 years of imprisonment. Tatevosov was later exchanged for an Azerbaijani hostage in the Tartar District of Azerbaijan, reportedly also in May 1992.

This case is documented in the context of violence connected to the Nagorno-Karabakh conflict period, with Wikipedia's "See also" references linking it to other incidents from that era, including the 1994 Baku Metro bombings and the 1991 Azerbaijani Mil Mi-8 shootdown.

Independent corroboration for the specific factual claims in this dossier is limited. A contemporaneous Los Angeles Times article and a statement page from Azerbaijan's Ministry of Foreign Affairs are cited by the source Wikipedia article as references, but their specific text was not available for direct review in compiling this summary; accordingly, the narrative above should be understood as substantially drawn from a single detailed source (Wikipedia), with the two additional references included for provenance rather than as independently verified fact-checks.