From www.wdwinfo.com

Investigation of Universal's Dueling Dragon accident
Jul 14, 2009

Investigations are ongoing regarding an accident that happened with Universal Orlando's Dueling Dragons roller coaster earlier this month. The Occupational Safety and Health Administration (OSHA) announced today that it has received a referral about the accident. Around 7:30 am on July 1, a worker was hit with one of the ride vehicles and was sent to the hospital with serious injuries. Universal officials have said the incident did not affect the ride's safety.