Numerous specialized fire and police units are seen near the North Shore Yacht Club in Highland Park | Photo by Max Weingardt.

At least one person was reportedly rescued and one other person was still missing after a group of people went into dangerous Lake Michigan waters Sunday morning.

The Highland Park Fire Department along with the U.S. Coast Guard and numerous other fire departments responded shortly after 9 a.m. Sunday to the North Shore Yacht Club, 21 Park Avenue in Highland Park.

Emergency crews were called for a report of multiple people in the water on Lake Michigan. A witness reported that a man was rescued from the water by divers and paramedics were seen working CPR on him.

A U.S. Coast Guard helicopter is seen searching above Lake Michigan | Photo by Max Weingardt.

Divers and rescue boats were searching for a woman still missing in the water late Sunday morning, according to a preliminary report. A Mutual Aid Box Alarm System (MABAS) callout was issued to bring additional divers and boats to the scene from fire departments across the Cook County and Lake County area.

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At least two ambulances were seen leaving the scene to the hospital. The conditions of the victims removed from the water was not immediately available. A fire department diver reportedly suffered a shoulder injury during the rescue, officials said.

A rescue diver is seen on the beach | Photo by Max Weingardt.

A Gale Warning had been in effect by the National Weather Service during the time of the rescue, warning about high winds in the area.  Winds of up to 40 knots and waves up to 14 feet were possible, according to the National Weather Service.

Rescuers reportedly were having a difficult time searching the water due to the high winds and waves. As of 1 p.m., emergency crews were still at the scene, according to a witness.

This is a developing story. Check back later for updates.