Axe Splits Man's Helmet In Medieval Battle Re-Enactment, Fighter Flown To Hospital

A 21-year-old man has been flown to hospital after an axe penetrated his helmet during a battle at a medieval fair.

The Winterfest Sydney Medieval Fair, held at Richmond in Sydney's west, began on Saturday morning.

With a schedule including historical re-enactment groups, live action fantasy role-play, archery, 'Winterfest unicorns' and the fair's own resident juggler and trickster Feldergast the Fool, the annual festival at Hawkesbury Showground is a popular event.

But soon after opening on Saturday, the event was marred after a 21-year-old participant in a mock battle was injured after taking an axe to the back of the head.

"An axe penetrated the man’s helmet at the event at Richmond Showground, the heavy impact causing lacerations to the head," CareFlight said in a statement.

"CareFlight’s rapid response rescue helicopter was tasked shortly before 11am, landing at the scene."

Ambulance paramedics were already rendering assistance when the helicopter arrived. The man was later flown to Westmead hospital in a stable condition.

A spokesperson for the fair told 10 daily the man was not badly injured, and that the festival's standard procedure was to request emergency assistance in the event of a head injury.

The man is recovering in hospital with a concussion, and should have no troubles returning to battle in the future, the spokesperson said.