The engineers looked up at the Doctor with worry as they were going to get the Police, ambulance and possibly a SWAT Team. "We were given a call that they rigged the carts with explosives. If we try to lower move the carts, they would explode one by one." One of them said. 
"We don't know who they are but we have been trying to get the Police, and Ambulance to try and help get who we can do but either the phones arent working or the lines are down." Another said with clearly a shaken voice. 
Jack and Arwen look at each other with shaken and worried looks. "Ummm...Maybe we can get out of here somehow. Do we have anything to bust the door open? We have to have something!" Arwen said rather fast, clearly shaken and frightened. She wasn't like Jack who could just come back to life since he was a fixed point in time. She was human who only had one life. A life that she wanted to life out and not die at the age of eighteen. Jack had been listening to the faint talking on the other side of the phone and Arwen's frightened babbling that he didnt know who was saying what and he needed to keep the red head calm. Standing up, he took her hand and guided her over to the his side, wrapping his arms around her comfortingly. Trying to let her know that everything would be okay. Putting the phone back to his ear, he looked over toward the door and looked through it's window. "Doctor? We're fine. I heard other voices. What did they say?" Jack asked calmly, trying to stay calm for Arwen's sake.