NEW CASTLE — Two men are in custody charged in the shooting death of a 16-year-old boy.

Police arrested 22-year-old Christopher Nixon and 18-year-old James Nixon on Monday in the killing in a park in New Castle. It wasn't immediately clear if the men are related.

Investigators said the men killed Marcus McCauley on Saturday in Gaston Park. He was found shot in the head near a pavilion.

Christopher Nixon denied wrongdoing following his arraignment.

Mother shot; man found deadPITTSBURGH — Police say they arrived at a home early today to find a man shot to death on his porch moments after the man called 911 to report that he had shot his mother.Police have not released the names of either person, but say it appears the man fatally shot himself.The man reported shooting his mother five times, but she was alive and taken to a hospital. Her condition was not available.