11.   Two American military personnel were killed in a helicopter accident related to the mission as the helicopter returned to its base in Pakistan, the Pentagon said.

12.   Two American military personnel were killed in a helicopter accident related to the mission as the helicopter returned to its base in Pakistan.

13.   Two servicemen were killed in a helicopter accident related to the mission.

14.   A British army press officer was killed in a helicopter accident Friday in war-ruined Sierra Leone, British defense officials said.

15.   A Yugoslav army general and his assistant were killed on Tuesday in a helicopter accident in the southern Serbian town of Nis, media reported.

16.   An Air Force safety team has started investigating the helicopter accident and debriefing the crew, Air Force Reserve Maj. Anna Sullivan said.

17.   Flags were flown at half-staff Wednesday for the victims of the helicopter accident.

18.   Last month, a British army trainer was killed in a helicopter accident in eastern Sierra Leone.

19.   Last year, she was treated for broken ribs and bronchitis after a helicopter accident in Sudan.

20.   Several French Army crewmen suffered minor injuries in a helicopter accident after giving a flawless performance before the close of the Paris Air show, Army officials said Sunday.