11.   Ten days after the blast, the United States launched retaliatory airstrikes on two Libyan cities.

12.   The Bosnian government suggested it might suspend meetings with the Americans until it received assurance the Serbs would be targeted by retaliatory NATO airstrikes.

13.   The Bosnian government, however, suggested it might suspend meetings with the Americans until it received assurance the Serbs would be targeted by retaliatory NATO airstrikes.

14.   The Bosnian government suggested it might suspend meetings with the Americans until it got an assurance that the Serbs would be targeted by retaliatory NATO airstrikes.

15.   The Serb tank attacks are in clear violation of U.N. agreements, but U.N. officials say retaliatory NATO airstrikes are unlikely before all hostage peacekeepers are free.

16.   The Serb tank attacks are in clear violation of U.N. agreements, but U.N. officials say retaliatory NATO airstrikes were unlikely while peacekeepers were still held hostage.

17.   The Serbs avoided targeting the U.N.-protected zone within the enclave, suggesting they wanted to gain ground without risking retaliatory NATO airstrikes.

18.   The tank attack violated U.N. agreements, but U.N. officials say retaliatory NATO airstrikes are unlikely before all hostages are freed.

19.   The United States launched retaliatory airstrikes on two cities in Libya, which it blamed for the bombing.

20.   The United States launched retaliatory airstrikes that month on two cities in Libya, which it blamed for the bombing.