Authorities say six people have been arrested for illegally entering the Port Austin Reef Lighthouse in Lake Huron.
The Huron County sheriff's department says the intruders recently used kayaks and other personal watercraft to get to the lighthouse, which is more than 2 miles from land. The department says one partially climbed the lighthouse wall and got a ladder, which was tossed down for the others.
The sheriff's office says eight people were involved in all. Five were booked for misdemeanor illegal entry and one was booked for misdemeanor obstruction of justice. They were released on bond.
Sheriff Kelly J. Hanson says there have been other recent problems with recreational boaters in the area. A statement from his office says "disrespectful and inconsiderate behavior ... will be dealt with accordingly."
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