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You rush forward, pausing briefly at the bottom of the staircase to check that the two guards are no longer a threat. Lying across the bloodstained chest of one of the men is a machine pistol (if you wish to take this weapon, you discover that it contains twenty-four rounds of 9mm ammunition) and attached to the belt of the other is an HE Grenade.
Stepping over the bodies, you begin to ascend the stairs to the observation room, but you are only halfway up when you see the door start to open.
