MOSCOW - A Russian airliner crashed south of Moscow, and another passenger jet went missing about the same time after both took off from Moscow, the ITAR-Tass news agency reported Wednesday. There was no word on survivors.
Witnesses reported seeing an explosion before the plane crashed, and authorities were not ruling out terrorism, the agency said.
A Tu-134 airliner that apparently had 42 people aboard crashed in the Tula region, 125 miles south of Moscow, at about 10:56 p.m. Tuesday, ITAR-Tass reported, citing the Emergency Situations Ministry.
A Tu-154 with 44 people aboard went missing about the same time near Rostov-on-Don, about 600 miles south of Moscow, but authorities had not found any wreckage, ITAR-Tass said.
Earlier, however, the agency said emergency officials reported that the second plane crashed about three minutes after the first one.
Quoting an unnamed air traffic official in Moscow, where both planes originated, ITAR-Tass said authorities were not ruling out terrorism. The agency also reported that witnesses said they saw an explosion before the Tula region crash.
The plane that crashed near Tula was headed to the southern city of Volgograd, while the plane that disappeared was flying to the Black Sea resort city of Sochi, where President Vladimir Putin (news - web sites) is vacationing, ITAR-Tass reported.
When Russia's U.N. Ambassador Andrey Denisov was told of the initial report of two near simultaneous crashes, he said, "Now we have to see if there's terrorism."
In Washington, a senior U.S. State Department official said, "We are obviously concerned by the news. We're following developments closely and trying to determine the facts."
The U.S. Homeland Security Department was monitoring the situation but was not implementing any additional security measures in the United States, spokesman Brian Roehrkasse said.
The crash comes only days before Sunday's presidential election in the breakaway republic of Chechnya (news - web sites). Pro-Russian President Akhmad Kadyrov was killed by a bombing in May.
A series of deadly explosions in recent years has claimed hundreds of lives in blasts that have been blamed mostly on Chechen separatist rebels.