HONOLULU (KHON2) -- Emergency crews responded to a rescue at Ko Olina Lagoon 4 on Thursday morning after two men were found in distress in the water. Get Hawaii's latest morning news delivered to your inbox, sign up for News 2 You At around 9:45 a.m., Emergency Medical Services (EMS) were called to the scene after one man, identified as a 33-year-old male, was found unresponsive in the ocean near the rocks. A second man in his 70s witnessed the situation and entered the water to assist in bringing the unresponsive man to shore. Mokulele aims to resume flight operations within next 48 hours First responders immediately began performing CPR on the 33-year-old, who was critically injured. The second man who attempted the rescue sustained minor injuries including abrasions and lacerations. He was also treated on-site by EMS and transported to the hospital. Download the free KHON2 app for iOS or Android to stay informed on the latest news The incident is still under investigation.