A Massachusetts man died Sunday afternoon in a mountain biking accident in Ipswich, authorities said.
The 46-year-old victim from Wellesley, whose name was not made public, was biking with a friend in the Willowdale State Forest area when the two became separated around 1 p.m.
Police say the friend found the victim lying unresponsive on the trail. The friend called 911 but the victim was pronounced dead at the scene.
Authorities say the victim was wearing proper protective equipment at the time of the accident.
The man's cause of death is not known at this time and is under investigation, officials said. Foul play is not suspected.
Ipswich police were assisted on scene by the Ipswich Fire Department, Massachusetts State Police and Massachusetts Environmental Police.
No other information was immediately available.