Officials in North Carolina Monday shut down a park in the western region of the state because spikes deliberately planted were found in the park, injuring at least two people.

The News & Observer reported that a runner’s foot was impaled on Feb. 11 and a walker’s shoe was damaged on Feb. 18. The Sylva Herald, a local paper, reported that town officials plan a metal detector sweep on the 18 miles of trail at Pinnacle park.

“Someone deliberately put them there,” Paige Roberson Dowling, Sylva’s town manager, told WLOS.com. More than 30 spikes were found during the weekend, he said.

BlueRidgeOutdoors.com reported that the park is home to 1,100 acres of “protected land formerly used as a watershed for the town.” There is a popular network of trails that lead to the Smoky Mountain Expressway.

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