Nicholas Urita has been upgraded from critical to serious condition at The Ohio State University Medical Center, hospital officials said Wednesday.

On Nov. 2, a home in Chillicothe caught fire, killing James Beverly, 37, and Urita's 2-month-old son, Caleb.

SLIDESHOW:  Images From Scene

Urita and his other son, Nicholas Jr., survived but were badly burned.

Nicholas Jr. is still hospitalized at Nationwide Children's Hospital in critical condition.

The cause of the fire has not been determined.

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November 4, 2009: No Cause Yet In Fire That Killed Man, Infant
November 3, 2009:  Man, Infant Killed In House Fire
November 2, 2009: One Dead, Three Hurt In House Fire

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