Teen injured in tubing accident on Gravel Lake Updated: Thursday, July 24, 2014 PORTER TOWNSHIP, Mich. (NEWSCHANNEL 3) - Deputies in Van Buren County responded to a tubing accident on Gravel Lake Tuesday. Sheriff Dale Gribler says that two girls, 13 and 9-years-old, were tubing with family members Tuesday afternoon. The boat was also pulling another tube with two males on it. The tube with the males went behind the girl's tube and the 13-year-old was clotheslined across the neck. Both girls were knocked off the tube. The teen was taken to the hospital for treatment where she was treated and released.