Members of the Six Flags Magic Mountain amusement park security staff monitor the situation at the exit of the park after riders were injured on the Ninja coaster Monday, July 7, 2014, in Valencia, Calif. The roller coaster hit a tree branch dislodging the front car, leaving four people slightly injured and keeping nearly two dozen summer fun-seekers hanging 20 to 30 feet in the air for hours as day turned to night. Two of the four people hurt on the Ninja coaster were taken to the hospital as a precaution, but all the injuries were minor, fire and park officials said. (AP Photo/Los Angeles Daily News, Andy Holzman)
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