Yuval Cohen, an Israeli man, was critically injured in a crash in Thailand and underwent emergency surgery at Nakornping Hospital. His condition remains serious, and his family is urgently seeking blood donors with O-negative blood type. Cohen's sister, Racheli, has called on Israelis in Thailand to donate blood at the hospital, specifying that it is for Yuval Cohen. The appeal highlights the immediate need for O-negative blood to aid in his recovery.