Search underway for man who vanished while swimming with children in Marion County

This browser does not support the video element.

MARION COUNTY, Fla. — Marion County deputies are searching for a man who vanished while swimming in Lake Weir.

WATCH: Ex-Florida gubernatorial candidate Andrew Gillum indicted on 21 counts, including fraud & conspiracy

Deputies said they were called to the lake around 2:30 p.m. Tuesday after a drifting boat was spotted.

Photos: Search underway for man who vanished while swimming with children

>>> STREAM CHANNEL 9 EYEWITNESS NEWS LIVE <<<

Deputies said a man and three children were aboard the boat in the middle of the lake when the man and two of the children went for a swim.

The boat later drifted away and one of the children who was swimming swam to the boat to get the child who was still aboard the boat, deputies said.

READ: Parade of planets: Here’s when to see 5 planets line up in the sky

Officials said the children returned with the boat but the man had vanished.

Deputies are treating this as a possible drowning and search teams are looking for the man.

WATCH: Orlando production company evicted after 2-year battle with landlord

Investigators have asked the public to avoid the area.

Click here to download the free WFTV news and weather apps, and click here to watch the latest news on your Smart TV.