Swimmer missing in ocean in Myrtle Beach. Police and Coast Guard searching waters

Rescue crews were searching the ocean Saturday evening for a missing swimmer.

At least two people began to drown in the waters off 12th Avenue South about 5:20 p.m., Myrtle Beach Police Lt. John Fullwood said.

Fullwood said one swimmer was rescued and the other was still missing.

The U.S. Coast Guard brought in a helicopter, he said. Lifeguards and Jet skis were also being used to find the swimmer.

Witnesses to the incident said on social media that three people were involved and two were rescued.

This is a developing story.