Steve Rankin who was working with Bear Grylls has revealed how one of the world's deadliest snakes bit him TV adventurer Bear Grylls. Steve Rankin, a TV producer who was bitten by one of the world's deadliest snakes. Photo: @Steve_Rankin, Twitter Source: Supplied A TV PRODUCER working for adventurer Bear Grylls has revealed how one of the world's deadliest snakes bit him, leaving a gruesome injury. Steve Rankin, who worked with Grylls as a producer on Man vs Wild, was in Costa Rica searching for locations for a Discovery show Naked and Afraid when they came into contact with the snake. "As I was traversing through some deep jungle, I was bitten on the foot by a Fer-de-Lance," he said. It was under a fallen tree as I climbed over. Fer de Lance known to be aggressive and it just zapped me in the foot through my boot. It's one of the deadliest snakes in the world and the fangs went right through my boot. Rankin was rushed on a makeshift stretchers by his crew members and then airlifted to a hospital in San Jose. But despite treatment of antibiotics and antivenom medications, the bite become more nad more infected, causing his foot to nearly rot. "About five days later the flesh in my foot had started to rot," Rankin told TMZ. Rankin was then rushed to a hospital in LA where he received skin grafts. He has posted on Twitter that he is still recovering. He tweeted: He added that the quick actions of his crew to get him to doctors likely saved his life. News of Rankin's gruesome injury spread after the shocking picture of it - which was taken three weeks ago and showed the flesh on Mr Rankin's foot stripped away to the bone and tendons - went viral after it posted online by Grylls. He has since tweeted a post-operation picture showing the foot following a skin graft, held together with surgical staples. He also posted an image taken six days after the snake attack which shows the effects of the venom eating away at his flesh. Accompanying that picture, he wrote: "WARNING. Here's one for the gore fans. The flesh has just started to necrotise and ooze a bit.