The 25-year-old motorcyclist who night has died from his injuries, according to .
"The operator of the motorcycle was lying in the roadway, unconscious and unresponsive," a Wellesley Police Department press release said.
Police requested a Medflight from Boston after officers discovered the crash, but the medical helicopter was later canceled "due to the severity of injuries to the victim," the release said.
The victim's name has not been released.
Stay tuned to Wellesley Patch for updates as they become available.