71.   It was not immediately known if he was among the survivors.

72.   It was not immediately known if she was in the convoy or a bystander.

73.   It was not immediately known if they were Serbs or ethnic Albanians.

74.   It was not immediately known if they were students, fire spokesman Mark Brady said.

75.   It was not immediately known if anyone was in the house at the time.

76.   It was not immediately known if anyone was killed or what kind of plane was involved.

77.   It was not immediately known if they were under arrest.

78.   It was not immediately known if anyone was hurt.

79.   The difficulty of generalising about market behaviour and how economic fundamentals affect stock performance is well known.

80.   The gold was won by Enjy Kherillah, also of Egypt, and it was not immediately known if she was also in the bus.