A man sells battery-powered radios and torches on a Barcelona street during the blackout in Barcelona, Spain, Tuesday, April ...

Thousands of travellers were left stranded, with some spending the night on airport floors. View on euronews ...

According to analysts, the frequency on Spain’s electricity grid — the rate at which electrical current alternates — dropped suddenly at 12:33 local time that day, triggering many power stations to ...

Authorities are investigating whether a family of three died in circumstances linked to Monday's major outage.

An investigation has been launched in to the events after the National Grid confirmed that it experienced changes in electricity frequency ...