By CBS 2 Chicago Staff

AURORA, Ill. (CBS) — Police in Aurora were searching Thursday afternoon for a missing 47-year-old man who may be experiencing a medical episode.

Alan Gustaitis was last seen around 11:45 a.m. Wednesday in the 2400 block of Forestview Drive on the far east side of Aurora, police said.

READ MORE: Shots Fired By Police In Englewood

Gustaitis may be experiencing a medical episode that requires immediate hospitalization, police said.

Gustaitis was last seen wearing blue jeans, a black T-shirt, and a gray quarter-zip sweater. He is known to walk around the Waubonsee Lake Park and the trails by Kautz Road, police said.

READ MORE: 2 Men Shot, Critically Wounded In West Garfield Park
Alan Gustaitis

Alan Gustaitis (Credit: Aurora Police)

Alan Gustaitis

As of Thursday afternoon, police conducted a search and rescue operation at the Oakhurst Forest Preserve. At 5:30 p.m., the air and ground search ended and Gustaitis had not been found, police said.

Anyone who spots Gustaitis should call 911 right away.

MORE NEWS: At Least 6 People Killed, 41 Wounded So Far In Chicago Weekend Gun Violence; 3-Year-Old Boy Among Survivors

Also From CBS Chicago:

CBS 2 Chicago Staff