A man injured in a Downtown fire yesterday died this morning at UPMC Mercy Hospital.

The medical examiner's office said Richard Piotrowski, 62, was pronounced dead at 5:17 a.m. at Mercy's burn unit.

He was hurt when a blaze broke out about 7 a.m. yesterday at the Roosevelt Arms apartments on Penn Avenue. Police said he was smoking while using oxygen.

First Published: May 15, 2008, 4:30 p.m.