A Las Vegas family is searching for the unidentified stranger they say saved their lives during a predawn house fire on July 5. According to the family, the man pounded on their front door, shouted “Fire!” and then disappeared before they could even learn his name.What makes the story so remarkable is how close it came to becoming a much worse tragedy. The fire broke out just before 5 a.m., while the family, including a 14-month-old child and an 82-year-old grandfather, was asleep inside the home, as per reports.How the warning unfoldedHomeowner Danna Shabtai said she first woke up to her dog barking and to someone frantically ringing the doorbell and knocking on the front door. When she opened it, she saw a man yelling “Fire! Fire!” and pointing toward the backyard, where flames were already building.“At 4:51 a.m., I woke up to someone frantically ringing the doorbell and pounding on the front door,” Shabtai said in her account to Fox News Digital. She said she looked toward the backyard and saw “a wall of orange.”From there, everything happened quickly. Shabtai’s sister grabbed the garden hose and rushed outside to fight the flames, while Shabtai picked up her baby and ran next door to wake the neighbours. She said she and two other women banged on doors and windows until everyone inside got out safely.The stranger kept helpingThe mystery man did not leave after the warning. Shabtai said he grabbed a hose from a neighboring home and tried to stop the fire from spreading while the family evacuated.That detail is one of the reasons the family describes him as a hero, not just a passerby. In their view, he did more than alert them to danger; he bought them precious time and even joined the effort to slow the fire down before quietly leaving the scene.Shabtai said if he had not stopped when he did, the fire could have been far worse by the time anyone noticed it. “You saved probably two households and a bunch of pets,” she said, as per the report. “You saved our lives. You’re a hero.”A fire possibly linked to fireworksThe family believes the fire may have started after children across the street continued setting off fireworks even after being asked to stop on the night of July 4. Shabtai said she had already been uneasy after hearing debris land near a neighbour’s gazebo and noticing what may have been a glowing ember drifting toward another property before going to bed.Officials have not confirmed the cause of the fire, and the North Las Vegas Fire Department has been asked for more information. But Shabtai says she believes an ember may have smouldered for hours before igniting the blaze.In a social media post after the fire, she wrote, “This is why you leave fireworks to the professionals,” and credited the stranger with helping save multiple lives. She also expressed frustration that a fireworks mistake may have left neighbours displaced.Searching for the man who stoppedThe family has now posted on social media in hopes someone can identify the man so they can thank him in person. They know little about him besides what they saw on surveillance video: a person who stopped by at exactly the right moment, ran toward danger instead of away from it, and left before anyone could ask who he was.That search has become part gratitude and part mystery. The family wants to know who the man is, where he came from and why he decided to intervene when he easily could have kept driving.Why the moment hit so hardStories like this resonate because they remind people how fast a routine night can turn into an emergency. The family had gone to bed expecting fireworks to be over and the holiday to be winding down. Instead, they woke to flames in the backyard and a stranger pounding on the door with a life-saving warning.It also underscores how much difference a few seconds can make. The stranger’s actions gave the family enough time to wake up, escape and alert their neighbours before the fire spread further. What could have become a fatal house fire instead became a story about quick thinking, community and one anonymous good Samaritan.A hero they hope to thankFor now, the family is left with questions, smoke damage and immense gratitude. But they are also left with hope that the stranger will eventually come forward, or that someone who knows him will recognise the surveillance footage and help them make contact.As Shabtai put it, he could have driven by and assumed someone else had already called it in. Instead, he stopped, shouted the warning, helped fight the fire and gave an entire family a chance to survive.