91.   While negotiations have been under way, a dozen prisoners dug a tunnel and escaped, officials acknowledged.

92.   While the negotiations were taking place, a dozen prisoners dug a tunnel and escaped, according to police.

93.   Last week, it was the rebels who called off the talks, claiming security forces were digging a tunnel they would use to storm the residence.

94.   Last week it was the rebels who called off the talks, claiming security forces were digging a tunnel they would use to storm the residence.

95.   Many tunnels have been dug despite the deep concrete-filled trenches which complement the electric fences ringing the strip, they added.

96.   Lead hostage-taker Nestor Cerpa had charged the tunnels were being dug in early March, when he said the rebels had heard noises beneath the house.

97.   Negotiations broke off when the rebel commando charged that security forces were digging a tunnel into the residence.

98.   Rescue workers are drilling their way to the trapped men, who were digging a tunnel for a new subway stop when the land caved in.

99.   Soldiers have dug a tunnel and are trying a system of pulleys to bring the explosive device back to the surface.

100.   Talks have effectively stalled since the rebels accused the government two weeks ago of digging a tunnel to storm the residence.