The annual First Responders Appreciation Barbecue will be 11 a.m. to 2 p.m. Saturday at Frontier Park’s east shelterhouse.

The event is sponsored by Ellis County Knights of Columbus councils.

All active and retired first responders and their families are invited. Hamburgers, hot dogs, brats and refreshments will be served.

In case of bad weather, the event will be moved to Immaculate Heart of Mary Church activity center.