Most parts of Athens were without electricity early Wednesday afternoon after a fault crippled the power supply system in the Greek capital.
Suburbs from as far south as Glyfada to Kifisia in the north were all affected.
According to the Independent Power Transmission Operator (ADMIE), the fault was caused by damage to the high voltage center in Pallini, east of Athens.
The fire service has been receiving calls from people trapped into elevators.
Traffic was at standstill as the traffic lights were are off.
Some metro services were also affected.