VALENCIA, Calif. (KTLA) -- Four people received minor injuries on a ride at Six Flags Magic Mountain on Monday evening and up to 30 were stuck off the ground, a fire official said.
Los Angeles County Fire Department first responders were called to the scene just before 6 p.m. PST, according to a supervisor with the department.
A tree branch fell on the track of the roller coaster obstructing the train, according to Magic Mountain Spokeswoman, Sue Carpenter.
Four patients received minor injuries on the Ninja ride at the Santa Clarita amusement park, she said.
Twenty to 30 people were stuck on the ride about 20 feet off the ground, fire Supervisor Ed Pittman said.
The ride is described as a "stealth assassin" and "suspended swinging roller coaster" on the Six Flags website.
No other information was immediately available.