4 hurt in Logan Square carbon monoxide leak

October 23, 2011 6:58:14 AM PDT
A carbon monoxide leak on the city's Northwest Side sent four people to the hospital over the weekend.

Two of the victims were critically injured.

The leak happened Saturday afternoon in a two-story building in the 2100-block of North Bingham in the Logan Square neighborhood.

Fire officials say the building had no carbon monoxide detectors.

There was no word Sunday on the source of the leak.