Rescue crews continued searching Thursday for a missing person after a medical helicopter crashed into waters off Catalina Island, killing two people and injuring two others, ABC7 reported.

The helicopter, operated by REACH Air Medical Services, went down off Pebbly Beach around 7:50 p.m. Wednesday shortly after takeoff, according to the U.S. Coast Guard. Five people were aboard.

The Los Angeles County Fire Department said two survivors were hospitalized in stable condition. Search operations continued overnight for the missing person.

The National Transportation Safety Board and Federal Aviation Administration are investigating the crash. Officials released no additional details.

Read more at ABC7.