81.   One of the key problems remains the future status of Sarajevo, the Bosnian capital, under siege by Bosnian Serb forces since the start of the war.

82.   Operation Tandem Thrust is the biggest military exercise the US has undertaken with Australian forces since World War II.

83.   Perec has blossomed into a major force since shifting her base to the United States, where she teamed up with American super-coach John Smith two years ago.

84.   Rationing has been in force since January, with the taps turned off one out of every two days on average.

85.   Provisions of the bill have been in force since earlier this year due to a presidential ordinance.

86.   Provisions of the bill have been in force since earlier this year thanks to a presidential ordinance.

87.   The analyst said Mobutu had been strengthening his forces since mid-February.

88.   The British troops have had no contact with al-Qaeda or Taliban forces since the launch of Operation Snipe.

89.   The fighting breached a ceasefire in force since the start of the year.

90.   The interior ministry had warned at the weekend that an anti-march ban in force since June last year was still effective.