UPDATED, 7:04 PM: Stuntman John Bernecker reportedly is on life support after suffering massive head injuries in a fall Wednesday on the set of The Walking Dead in Atlanta. A source who is at Atlanta Medical Center told Deadline that Bernecker is brain dead and on life-support while his family makes arrangements.

Sources say Bernecker and an actor were rehearsing a fight scene that was supposed to end with a routine fall from a balcony, but he lost his footing and fell 30 feet to a concrete floor.

AMC earlier today suspended production on Season 8 of its zombie apocalypse series. No word yet on how long TWD producers and cable network intend to keep production shuttered.

We are monitoring the situation and will update with any news.

PREVIOUSLY: Stuntman John Bernecker was seriously injured on the set of The Walking Dead yesterday in Georgia. Sources say he suffered a serious head injury after falling 30 feet to a concrete floor below.

Bernecker was Medevaced to Atlanta Medical Center, where he’s being treated in the intensive care unit.

His recent work includes Get Out, The Fate of the Furious, Goosebumps, Get Hard, 22 Jump Street, Looper, This Is the End and The Hunger Games: Mockingjay – Part 2.

Erik Pedersen contributed to this report.