1.   The prisoners escaped through an underground tunnel.

2.   Earlier in the day passengers were forced to walk through an underground tunnel after a train partially derailed.

3.   And earlier passengers escaped along an underground tunnel after a derailment.

4.   An underground tunnel connects the building with the Caroline Wiess Law Building and a newly constructed visitors center and parking garage.

5.   And they did, by the thousand, in the underground tunnels and caves beneath the city of Hama.

6.   Another family in Missouri has moved into the underground tunnels of a former limestone mine.

7.   Bomb-sniffing dogs will patrol underground tunnels.

8.   A short underground tunnel beneath the Garden connects it to the Paramount, where a Delsener-promoted concert by Yanni was brewing.

9.   According to Western and Middle Eastern officials, a cache of chemicals is stored in the reinforced caves of nearby mountains and naturally protected underground tunnels.

10.   But the collider will occupy the same underground tunnel as the existing one, which was to be dismantled starting this year.