1.   But an untold number are believed to have been burned to ashes, so the exact toll may never be known.

2.   But the exact toll will never be known.

3.   The exact economic toll is still uncalculated, but it has already cost local businesses millions of dollars and resulted in canceled conventions and layoffs.

4.   Because of a long disease incubation period, it may be years before the exact toll from vCJD is determined.

5.   Later, CTK said police confirmed one dead, but police acknowledged the exact toll was uncertain because of the vast amount of destruction.

6.   Since records are sealed in other states, experts said the exact AIDS toll will never be known.

7.   The exact toll was not known because Palestinian ambulances sent to the scene were turned back by Israeli troops, Barghouti said.

8.   But Lapan said the exact toll was uncertain because no bodies were recovered.

9.   The PKK lost several members in an ensuing clash with the security forces, but the exact toll was not clear, they told AFP.

10.   ITAR-TASS said that the exact toll from the weather is not known as communication with reindeer herders was extremely difficult.