Several people have died in Istanbul after heavy rainfall sent fast-moving water through the city, De Telegraaf reports. The flooding struck on Thursday, according to the Dutch newspaper.

Among the dead is a 14-year-old boy who was electrocuted, NOS reports. Other Dutch outlets, including AD.nl and NRC, also reported multiple fatalities, with NRC putting the toll at at least three. Cars were swept away by the water, according to NRC.

The severe weather was not confined to Turkey. NRC reports that the heavy rain also led to flooding in Greece.

Further details on the total number of victims, the areas worst affected, and the extent of the damage were not available in the source material.

Authorities have not yet released a full accounting of the casualties or the damage caused by the flooding, based on the reporting available.

What to watch next: official statements from Turkish authorities on the confirmed death toll and the scope of the damage across Istanbul.