A video captured residents cheer and clap as power was restored to a neighborhood in Madrid following a 9-hour outage in most of Spain and Portugal. "The lights returning in the Pilar neighborhood is celebrated more than a goal from Iniesta,

The Madrid Open will resume play this morning after the tennis tournament was hit by the vast power outage across Spain and Portugal on Monday.

Electricity was back in most of the two countries almost 18 hours after a blackout that shut down much of daily life. The cause of the outage remained unclear.