71.   However, UNPROFOR and UN humanitarian aid convoys were still blocked by the Serbs, whose threats to aircraft kept Sarajevo airport effectively closed again Tuesday.

72.   A second resupply convoy was also blocked.

73.   Before he landed Israeli troops used force to disperse Jewish settlers blocking a convoy of buses packed with Palestinians heading for Jericho.

74.   Bosnian Serb forces have blocked transport convoys bringing fuel for Bosnian UN forces for the past several weeks.

75.   The Serbs have notably refused all UN helicopter overflights of their territory and have repeatedly blocked UNPROFOR convoys.

76.   Their convoy was blocked by Russian forces in Pervomaiskaya, near the border with Chechnya, resulting in the current standoff.

77.   Their convoy was blocked by Russian troops in Pervomaiskaya, resulting in the standoff.

78.   UN aid workers have accused the Turkish army of blocking relief convoys from crossing into northern Iraq.

79.   UN relief and fuel convoys have been increasingly prevented from travelling freely in Bosnia by the Serbs, who have blocked several convoys in recent weeks.

80.   UN aid workers have accused Turkey have blocked relief convoys from crossing into northern Iraq from Turkey.