A man died when he crashed his snowmobile into a tree in Chesterfield, Massachusetts, on Sunday, authorities said.
Derek Graves, 37, was found with critical injuries about 1:30 a.m. near Smith Road. A friend behind him had found him and called 911, the Northwestern District Attorney's Office said Monday.
Graves, a Chesterfield resident, was rushed to Cooley Dickinson Hospital but died, prosecutors said.
The crash was being investigated by state and local police.