Firefighters battled a deadly fire in Gwinnett County Saturday afternoon.
The fire happened in a mobile home in the 2000 block of Fence Road in Dacula.
"We were aware there was one person trapped inside of the home from the time of 911 and when the first crews arrived here," said Tommy Rutledge with the Gwinnett Fire Department.
He said the fire was so intense, part of the roof collapsed and firefighters were forced back because of the heat.
A 47-year-old man was killed in the fire, officials said.
Officials said a 57-year-old man made it out, but suffered serious smoke inhalation. He was taken to Grady Memorial Hospital in Atlanta.
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Neighbors said they saw the flames and tried to help.
"We went over there and were trying to dig through the side of the trailer because they were shouting that someone was still in there," neighbor Josh Reep said.
Reep said he felt helpless as the flames ripped through his neighbor's home.
"The flames were sky-high at that point," he said.
He said his neighbor's family is in his thoughts.
"We're praying for them. We're praying that they get everything they need," Reep said.
The cause of the fire is still under investigation.