KEWAUNEE, WI (WTAQ) - A drowning last month in the Kewaunee harbor has been ruled accidental.
Police say 40-year-old Shane Dillenburg of Green Bay died after his van drove into the water on June 23 with his 5-year-old son Dominic inside.
Dominic was rescued by some campers.
Authorities indicate an autopsy revealed no other health problems.
The State Patrol's inspection of the van found that nothing mechanical contributed to the crash.
Kewaunee police say the cause of the crash remains unknown.