1.   These inscriptions are unquestionably ancient because the tunnel was sealed by silt in the first century A.D. and not open until a few years ago.

2.   During a flood, gates will seal the tunnel and hold back the water.

3.   The disaster office said efforts by Marcopper workers to seal the tunnel by pouring coarse gravel and cement through a hole proved futile.

4.   The tunnel was sealed with three layers of concrete, but the officials said a ministry team recently removed the two outer layers by blasting.

5.   A spokesman for the Northern Ireland Office said in London that the tunnel had been sealed and all prisoners accounted for.

6.   But Washington believes that Arafat cannot consent to such a meeting with Netanyahu unless Israel seals the tunnel, administration officials said.

7.   But Washington believes that Arafat cannot consent to such a meeting with Netanyahu unless Israel seals the tunnel, officials said.

8.   Washington believes that Arafat cannot consent to such a meeting with Netanyahu unless Israel seals the tunnel, administration officials said.