Emergency crews ramped up their response Friday as a massive brush fire in South Miami-Dade County continued to spread, burning more than 26,000 acres in a week. With much of the fire inaccessible to ground crews, officials deployed additional aerial support to combat the flames.

Emergency crews ramped up their response Friday as a massive brush fire in South Miami-Dade County continued to spread, burning more than 26,000 acres in a week.

A brush fire in southern Miami-Dade grew to an estimated 24,000 acres by Thursday afternoon, prompting officials to close roads and warn the public of the potential for smoky conditions.