31.   A Russian helicopter was shot down Tuesday, killing two military doctors and a crewman, a government spokesman told the ITAR-Tass news agency.

32.   A Russian military helicopter crashed in the Chechnya region, killing four servicemen and injuring two more, the Defense Ministry said Monday.

33.   A Russian military helicopter crashed Tuesday in a mountainous region of southern Siberia, and fragments of the wreckage were located, emergency officials said.

34.   A Russian military helicopter crashed Tuesday into a mountain in southern Siberia, and fragments of the wreckage have been located, emergency officials said.

35.   A Russian military helicopter has been shot down in Chechnya, killing the pilot and navigator, the Russian Defense Ministry said Thursday, according to preliminary information.

36.   A Russian military helicopter has been shot down in Chechnya, killing the pilot and navigator, the Russian Defense Ministry said Thursday.

37.   A Russian medical helicopter crashed in the Urals mountains on Thursday, killing all five people on board.

38.   A stray shell from a Russian helicopter hit the Interior Ministry, igniting it, the Interfax news agency said.

39.   A U.S. promise to lease two big Russian helicopters brought cheer to relief workers.

40.   A Russian helicopter pilot died Tuesday after leaping out in panic as the chopper started to crash moments after takeoff, a report said.