text: Russian Air Disaster Was Suicide Attack, According to US Sources Traces of explosives found in one of two downed Tupolev planes match explosives used in the 1999 bombing attacks of Moscow apartments by Chechen separatists, according to two US government sources.
inputs: Russian Air Disaster Was Suicide Attack, According to US Sources Traces of explosives found in one of two downed Tupolev planes match explosives used in the 1999 bombing attacks of Moscow apartments by Chechen separatists, according to two US government sources.