Madrid - Portugal's Civil Protection Agency says that apart from 27 deaths in a new spate of wildfires there are 51 injured and an unconfirmed number of people missing.Agency spokesperson Patricia Gaspar said on Monday that 15 of those hurt in Sunday's blazes were in serious condition.She said that police and other officials were trying to locate those reported missing. Gaspar said that the wildfire situation was "critical" due to temperatures above 30°C. However, cooler, wetter weather was approaching.The deaths occurred in densely forested central and northern parts of Portugal.Emergency services recorded more than 500 wildfires on Sunday, the highest number of the year in a single day and the worst in more than 10 years. Portugal has been especially hard hit by wildfires this year, including one that killed 64 people in June. A prolonged drought and mid-October temperatures of more than 30°C have fuelled the fires.