Poland has announced that it will conduct its own probe to determine the causes of last year's plane crash in Russia, which killed 96 people including Polish President Lech Kaczynski.
At least two people were killed and dozens more were injured when a Dagestan Airlines Tupolev Tu-154 plane crash-landed at Moscow's Domodedovo airport on Saturday.
U.S. air passenger revenue rose 13 percent in February, marking the 14th consecutive month of revenue growth, according to a report by the Air Transport Association of America.