JACKSONVILLE, Fla. -- A fight between two brothers turned violent in Springfield overnight.
The men got into a tussle inside a home in the 2000 block of N. Market Street just before 3:30 a.m.
Jacksonville Sheriff's Office investigators say 53-year-old Michael Anthony Baker cut his brother in the neck.
The victim was initially taken to UF Health Jacksonville with non-life threatening injuries, but doctors discovered he had a punctured lung. Authorities say his condition has continued to decline. At last check the victim was in surgery.