SHARECOMMENTMORE

OAK GROVE, Minn. - The Anoka County Sheriff's Office says a 9-year-old boy was killed while riding on a dirt bike Friday night in Oak Grove.

Authorities say the boy was riding on a dirt bike track near his home when he lost control of the motorcycle in the 19600 block of Dogwood Street NWin Oak Grove.

No furtherdetails of the accident have been released.

An emergency medical helicopter was called to the area but the boy died before it arrived.

Authorities say he was wearing a helmet.