1.   A Park Service board of inquiry will investigate the tragedy.

2.   The August issue of the magazine investigates several tragedies and talks with artists such as Courtney Love about concert safety.

3.   When the first manned mission to Mars meets with a mysterious disaster, a rescue mission is launched to investigate the tragedy and bring back any survivors.

4.   Police and avalanche experts were to travel to the village to investigate the tragedy.

5.   A government commission that investigated the tragedy on Tuesday blamed command errors and unfortunate circumstances for the deaths.

6.   He announced two days of national mourning, and appointed Premier Sergei Ling to head the commission investigating the tragedy.

7.   Klebanov heads the government commission investigating the tragedy.

8.   Lukashenko announced that the government had established a commission to investigate the tragedy.

9.   Lukashenko announced two days of national mourning, and appointed Premier Sergei Ling to head the commission investigating the tragedy.

10.   Lukashenko also said the government had established a commission to investigate the tragedy.