Man rescued from Lake Michigan near North Avenue Beach

CHICAGO (WLS) -- A man was rescued from the frigid waters of Lake Michigan overnight in the city's North Side, fire officials said.

A female companion is also safe after swimming to shore.

Chicago Fire Department officials say they sent divers and a helicopter to North Avenue Beach around 3 a.m. Saturday. The woman managed to swim to safety and walk home. The man is also expected to recover.

It is not clear how the pair fell into the water.