The beginning of the special forces hammered Fan Tianlei

Chapter 128 Trapped
Everyone was startled when they heard this, and they quickly took the flashlights in their hands and began to illuminate them. Only then did they realize that at some point, the ground had begun to be filled with fog.

In addition, the only lighting equipment inside came from their flashlights. Everyone was either busy observing the surrounding situation, or studying the remaining equipment, all ignoring the danger under their feet.

"Everyone cover your mouth and nose! Retreat to the passage in an orderly manner!" Long Xiaoyun covered his mouth and nose and shouted to the rioting crowd.

By now the scholars were beginning to panic, and jostling each other in the dark would only make the situation more dangerous.

Those well-trained bodyguards and special forces were naturally responsible for protecting the safety of their employers, and began to guide the team they were in charge of to quickly retreat to the passage.

boom!
Suddenly there was a gunshot in the darkness. No one knew where or who fired the shot, and the scene suddenly became chaotic.

"Dr. Stone!"

There was a sudden exclamation from a team, and an old man was touching his chest in disbelief, which had already been stained with blood.

He pulled the student next to him, and his body fell off the student weakly. Blood continued to spread on the ground. Dr. Shi's body went limp and he lost his life.

"Ah! Kill me!"

"I want to go home!"

"Run! Someone is going to kill us!"

Where have these students seen such a situation before, they suddenly lost their minds, left their teacher behind, and rushed towards the aisle exclaiming.

But the aisle is so wide, if people are crowded and accidentally fall down, inhaling the poisonous gas directly, and another stampede happens, it will undoubtedly increase the difficulty of escaping.

Yao San simply didn't do anything, took out his pistol, and fired two shots into the air!
"Return to my team one by one! Retreat in order!" Yao San roared angrily.

Yao San's shot like this really frightened these students who had never seen the big world. They all cried and returned to their own teams. Under the escort of their respective bodyguards, they continued to evacuate the scene.

Yao Er stood on the other side, secretly observing who fired the gun.

At this moment, Long Xiaoyun's watch communicator rang.

"Long...Colonel,...Colonel." In this sealed space, the signal reception is very weak, and Li Cheng's voice came intermittently from the watch.

"Hey! Newcomer! We are in danger! Please come down to support immediately!"

Long Xiaoyun yelled towards the watch, but what came was a disconnected noise.

"Still can't connect?" Tian Guo looked at Li Cheng anxiously.

Li Cheng frowned, and nodded slightly, maybe his position is too far away from Long Xiaoyun, and the signal is very unstable.

After they blasted the rock wall, a large hole appeared, which was obviously made of artificial construction, a passage made of concrete, but this passage was vertically downward, and the surface was smooth so they couldn't go down directly.

Using the flashlight to shine down, the bottom could not be seen at all, so Li Cheng simply picked up a small stone and let it fall naturally.

Both of them listened carefully, but Tian Guo frowned slightly, because she never heard the sound of the stone falling to the ground.

However, Li Cheng's hearing was extremely keen. He silently counted the time for the stone to fall until there was an inaudible sound at the bottom.

"The landing time is more than three seconds, the propagation speed of sound in the air is 340 meters per second, the acceleration of gravity, calculated according to the free fall formula, the height is almost between 30 and 40 meters."

Li Cheng calculated the approximate depth of the passage, and Tian Guo, who hadn't heard anything, was stunned by his series of data and conclusions, with a look of admiration in his eyes.

Without specific requirements, generally speaking, the length of the climbing rope is a little over 20 meters, so there is still a distance from the ground.

Tian Guo gritted his teeth and said, "I'm relatively light, why don't we connect the rope and let me go down to investigate?"

"No, I don't know what's going on below. It's too dangerous to go down hastily. The end of this passage may be where Long Xiaoyun and the others are going. Let's contact her first!" Li Cheng continued to call after speaking. Long Xiaoyun.

On Long Xiaoyun's side, the team began to enter the passage one by one, and everyone thought they were about to escape.

Suddenly there was another bang, and the space began to vibrate unceasingly. Everyone could hear a heavy muffled sound from the other end of the passage, and the tremor and loud noise disappeared.

At this time, the people at the front began to become restless, and there were constant cries of despair.

Long Xiaoyun screamed in his heart that it was not good, and rushed to the front with Yaosan.

I saw that the passage that originally led to the outside was blocked by a black stone slab. Yao San angrily raised the butt of his gun and smashed it against the stone slab.

But what was fed back to her was a crisp knocking sound, and there was no hollow echo, which showed that the thickness of this stone slab was beyond their imagination.

The metal on the gun scraped across the slate and a string of sparks burst out, showing how hard the slate was, and she couldn't break it open.

If it was thinner or not so hard, Yaosan could still use firepower to crush the slate, but the current situation completely killed her idea.

Yao San looked back at Long Xiaoyun, and said softly: "Colonel Long, I am afraid that the only way to blow up this stone slab is to use a grenade."

But Long Xiaoyun didn't answer her immediately, and Yao San didn't dare to use landmines rashly.

Because they all know that if landmines are used in such a small place, if the mountain is blown up and the mountain collapses, then they will really all be buried here.

Obviously, they had sent people over to survey the terrain several times before, but nothing happened. But today, so many people were dispatched, and suddenly it became dangerous. Could it be that there are other forces behind them, watching them secretly!
The poisonous gas below began to slowly spread upwards, and Yaosan took out a portable oxygen provider from his backpack.

Usually, if they are alone, the oxygen supply can provide oxygen for about 10 hours, but there are 17 people on site, I don't know how long they can last!
Seeing the poisonous gas pouring in, people who hadn't entered the passage began to force their way in.

Seeing the situation getting more and more dangerous, Yao San frowned and said: "Colonel Long, he is dead anyway, so why not use mines! If this continues, more people may be affected!"

boom!
Before Long Xiaoyun could speak, there was another gunshot, and then the crowd began to riot again, and a student fell into a pool of blood.

"There is an enemy attack!"

Yao Er finally confirmed that the gunshot was not from his own position, but in the darkness, but the opponent might have installed a flame arrester, the flame was eliminated, and he couldn't tell where it came from.

boom!
This bullet was shot directly at Yao Er who issued the warning!
(End of this chapter)