Moscow: At least one of the two Russian plane crashes that killed 89 people on Tuesday (Aug 24, 2004) was the result of a terror attack as traces of explosives have been found on the airliner that crashed in Rostov region, FSB security service said today (Aug 27, 2004).

FSB spokesman Sergei Ignatchenko also said that the investigators are close to identify the attackers of Tu-154 plane of the Sibir Airlines, which crashed in Rostov region.

"In the process of operational investigation activities information has been received on the basis of which attackers of Tu-154 can be identified," Ignatchenko was quoted as saying by ITAR-TASS.

Although the traces of explosives were not yet found in the wreckage of another plane which crashed on the fateful night 200 kms from Moscow after taking off from the same airport in Moscow, the search teams have not found the fragments of 44th passenger Amanita Nagayeva, he said.

According to Radio Mayak, 30-year-old Amanta Nagayeva was the resident of Chechnya capital Grozny and had bought ticket on Moscow-Volgograd flight an hour before departure. No queries from her relatives have been received, the radio noted.

Earlier, Sibir Airlines had also said that nobody has enquired about the fate of one of the woman F Jihirkhanova, who was travelling on Moscow-Sochi flight on board Tu-154 plane.