not the first time someone went into a restricted zone and got killed by a inverted rollercoaster.
Monday, August 14, 1995 - At Morey's Piers amusement park in Wildwood, New Jersey, a 36-year-old maintenance worker was killed after being struck in the head by the foot of a passenger riding the Great Nor'Easter suspended looping roller coaster. The passenger was also injured.
article coutesy of http://www.rideaccidents.com/coasters.html