John Tiklak was a Human male who was on Deep Space 9 in April of 2376. Tiklak received substantial injuries when the station was buffeted by the explosion of it's fusion core, thanks to Jem'Hadar sabotage. He was thrown over a railing by the force of the explosion and broke four of his ribs, one of which punctured his lung. He also fractured the vicular in his left wrist. (DS9 novel: Avatar)