CARY, N.C. (WNCN) — Nearly 10 people were stung by a swarm of yellow jackets while hiking off-trail Monday morning in Umstead Park, officials said.

The incident happened just before noon, according to Cary police.

Up to nine people were possibly stung after they stepped on a nest while hiking off-trail in the Reedy Creek area of the park, officials said.

The Cary Fire Department and Wake County EMS responded to the scene.

An official with North Carolina State Parks said hikers should not be concerned about yellow jackets while at the park.

Park Rangers encourage hikers to stay on the trail to avoid such incidents and to minimize damage to natural resources.

No other information was released.