An investigation is underway after two base jumpers parachuted off the top of the Space Needle on Friday night. What we know:Videos have appeared on social media of two men parachuting off the observation deck of Seattle's iconic Space Needle. According to Seattle police, the two men entered the Space Needle with purchased tickets that were scanned at the front entrance. We are reviewing security footage and assisting with the active investigation," Space Needle officials said in a statement to FOX 13 Seattle. The Source: Information in this story came from a spokesperson from the Space Needle and the Seattle Police Department.