Hours after a massive power cut hit large parts of Spain and Portugal, Spanish PM Pedro Sánchez says the cause is still being investigated

STORY: Power started returning to parts of Spain and Portugal on Monday after a huge outage grounded planes, halted public transport and forced some hospitals to suspend routine operations.In Madrid,

A blackout has brought much of Spain and Portugal to a standstill, affecting millions of people. The Spanish power distributor calls it “exceptional and extraordinary."