articleThe Brief Nathan Matthews died from burn injuries nearly a month after a Colorado wildfire burnover. The firefighters were battling a fast-moving wildfire near the Colorado-Utah border. A fourth firefighter has died after suffering severe burns when he and several fellow firefighters were overtaken by a fast-moving wildfire near the Colorado-Utah border last month, officials said Saturday. Nathan Matthews, 43, died Friday, the federal Interior Department said in a release. What they're saying:"This is another heartbreaking loss for our wildland fire family," said U.S. Wildland Fire Service Chief Brian Fennessy.