61. Government forces had also used rocket launchers and heavy artillery to shell densely-populated neighborhoods said to be Ninja strongholds, the human rights group added. 62. He claimed federal forces were using weapons banned by international conventions, such as dart bombs and nerve gases. 63. He charged Serb forces had used civilians near Dvor as a cover while they withdrew heavy weapons. 64. He also allowed U.S. forces to use Pakistani airspace for attacks against Afghanistan last year. 65. He claimed Serb forces had used civilians near Dvor as a cover while they withdrew heavy weapons. 66. He said, however, that the force would not use the white vehicles used by U.N. troops. 67. He told The Associated Press there was no reason for the rebels to lay down their arms when government forces were using helicopter gunships and artillery against them. 68. He told the AP there was no reason for the rebels to lay down their arms when government forces were using helicopter gunships and artillery against them. 69. Human rights groups, including London-based Amnesty International, said security forces used excessive force. 70. In some places, the U.N. forces use armored bulldozers to explode clusters of mines. |