71.  In response, the allied planes have been blasting Iraqi air-defense sites.

72.  In Sarajevo several explosions were heard in a Serb-held suburb to the west of the city after allied planes flew overhead.

73.  In recent months, the allied planes have frequently hit Iraqi targets deemed to be threatening.

74.  In Sarajevo, several explosions were heard in a Serb-held suburb to the west of the city after allied planes flew overhead.

75.  Iraq considers the zones violations of its sovereignty and periodically challenges allied planes.

76.  Iraq disputes the legitimacy of the zones and regularly challenges the allied planes.

77.  Iraq does not recognize the zones and frequently challenges the allied planes, provoking retaliatory strikes.

78.  Iraq frequently tries to shoot down the allied planes.

79.  Iraq has often claimed to have hit or downed an allied plane, but has never produced hard evidence.

80.  Iraq then began challenging the zones by firing at allied planes or locking its radar systems on to them.