FORT WORTH, Texas — A woman called 911 immediately after the explosion at the Sandman Signature Hotel in downtown Fort Worth. “The Sandman hotel, we’re stuck in an elevator, filled with smoke,” the woman tells the dispatcher. Panic seeps into her voice. “Please hurry,” she pleads. As the dispatcher asks where the woman, and the people she’s with, are located, she tells someone with her to cover their face. “Put your shirt over your nose to filter it, honey,” she says. The elevator was heading to the ninth floor, the caller says. And then, the elevator doors appear to open, and the woman tells …