FRANKLIN PARK, Ill. (AP) _ An explosion and fire injured five people early today at a three-story apartment motel in this western Chicago suburb.

One victim, a man in his 20s or 30s, was in critical at Loyola University Medical Center, a spokeswoman said.

The other four _ a man, a woman and two children _ were treated for smoke inhalation and released from Gottlieb Memorial Hospital.

The O'Hare Kitchenette Apartments Motel has 60 units and all were occupied, officials said.

Some residents said they smelled gas before the explosion.