Some 91 people are now known to have died in last week's wildfires in Greece, while the search continues for 25 missing people.
It comes as 12,000 firefighters are tackling wildfires in northern California.
At least six people have been killed there and several others unaccounted for.
Two young children were among the victims in northern California.
The four and five-year-olds died alongside their great-grandmother in the city of Redding.
US President Donald Trump has declared an emergency in California, allowing counties affected by the wildfires to receive federal assistance.
Shelters in schools and colleges have reached full capacity in Shasta County, and the US government has approved aid for California to stop its spread and deal with its consequences.