Escape The Haunted Lab [CONTEST ENTRY]

You were in the lab one day checking the computers. Suddenly you sensed something around you. Something cold and angry. You get off your chair and walk untill you see a ghost hovering in a window. You run through the door. The ghost had vanished! All that was there was a dead lab guy and a bloody handprint. You went round the next corner and there was flames blocking the emergency exit. You had to go the long way round. But yet again you saw the ghost. Somehow you vanished around the corner and there was only one way...