In pictures: Portugal fires

A firefighter runs through a wildfire in Albergaria-a-Velha, Aveiro in central Portugal

Portuguese firefighters are combating brush fires that have spread through northern and central Portugal.

A man walks next to a fire in the village of Trofa, northern Portugal

The fires may have been started deliberately.

A firefighter fights a wildfire in Valongo, near Porto, northern Portugal

The blazes come as Portugal has been enduring its worst drought in decades.

A firefighter tries to extinguish a wildfire in Albergaria-a-Velha, north of Lisbon

The biggest fire was near Albergaria-a-Velha, about 250km (155 miles) north of Lisbon.

A man walks next to a fire in the village of Trofa, northern Portugal

The fires forced the closure of several roads.

Villagers spray water around their houses near a fire in the village of Trofa, northern Portugal

People tried to beat back the flames closing in on their homes with water.

A firefighter stands near a fire in the village of Folgoso, near Porto, northern Portugal

Higher temperatures are expected later in the summer.