By Minwoo Park and Daewoung Kim ANDONG, South Korea (Reuters) -Wildfires raging in South Korea doubled in size on Thursday from a day earlier, as authorities called the blazes the country's worst natural fire disaster with at least 28 people killed and historic temples incinerated.

Officials in the South Korean city of Andong have alerted residents to evacuate to safe areas as firefighters struggled to contain wildfires that ravaged the country’s southern regions since last week,

South Korea redeployed firefighting helicopters after a fatal crash caused a temporary grounding on Wednesday as authorities struggle to contain “unprecedented” deadly wildfires that have ravaged the country’s southeast,