Data loss hits Russia crash probe
521696
Russian investigators doubt whether the flight data recorders can yield any clues about what caused the double air crash which killed 89 people.
73264
Investigators examined flight recorders  Thursday from Russia's mystery double air crash in which 89  people died, but one official doubted they would be of any use.
362520
Traces of explosive are found in the wreckage of a second crashed airliner, say Russian officials.
497501
Investigators hope flight recorders from a plane that crashed in northern China will shed light on what happened.
119586
Russian investigators said Wednesday they had found no immediate evidence that terrorists caused the nearly simultaneous crashes of two airliners Tuesday that killed all 90 people aboard.
229310
Russian investigators found explosive residue on the wreckage of the second of two airliners that crashed minutes apart, a security spokesman said Saturday, adding to evidence that terrorists breached security at one of the country's most up-to-date airports.
179954
MOSCOW - Russian airlines will be required to document passengers more thoroughly following this week's twin plane crashes, a news agency reported Saturday, as the discovery of explosives stoked speculation that the disasters were linked to bloodshed in Chechnya.    The Federal Security Service, or FSB, declared at least one of the crashes an act of terrorism Friday after investigators found traces of the high explosive hexogen in the wreckage of a Tu-154 jet that crashed in southern Russia...
94113
Russian investigators found explosive residue on the wreckage of the second of two airliners that crashed minutes apart, a security spokesman said Saturday, adding to evidence that terrorists breached security at one of the country&#39;s most up-to-date
653905
Russian officials say traces of explosive have been found amid the wreckage of one of two airliners that crashed on Tuesday, Itar-Tass reports.
269991
MOSCOW - Traces of explosives have been found in the wreckage of one of two Russian airliners that crashed nearly simultaneously earlier this week, the Federal Security Service said Friday, a day after a top official acknowledged that terrorism was most likely behind the crashes.    A Web site known for militant Muslim comment, meanwhile, published a claim of responsibility for downing the two planes, connecting the action to Russia's fight against separatists in Chechnya...
91601
Traces of the explosive hexogen have been found in the wreckage of one of the two Russian passenger jets that crashed minutes apart on Tuesday, Russian security services have revealed.
717770
Investigators say they have found traces of explosive in the wreckage of one of the two passenger planes that crashed earlier this week in southern Russia.
12414
Russian officials are checking the identity of two female passengers in their investigiation into almost simultaneous plane crashes earlier this week.
240423
Moscow - Recorders from the two planes that crashed nearly simultaneously in Russia have not yielded reliable information, a top official says.
250965
Russian officials say traces of explosive have been found in the debris of one of two crashed airliners.
323403
Crashes involving the Russian-built Tupolev 154 airliner:
548802
A Russian passenger jet with 170 people aboard crashed in Ukraine on Tuesday after sending a distress signal, emergency officials said. The Interfax news agency, citing the Russian emergencies ministry, said 30 bodies had been found.