PITTSBURG, Calif. - A woman is dead and three children were hospitalized after Pittsburg police say they all may have been exposed to high levels of carbon monoxide.A relative had called police on Thursday saying they hadn't heard from the family in several days and were worried about them, police said.Officers went to the home at 7 p.m.
that evening in the 100 block of Vincent Street. When officers arrived, they made contact with a man who was disoriented and incoherent.