Some 100,000 people marched to protest against the authorities' handling of Spain's floods in Valencia, whose eastern region bore the brunt of the tragedy's 230 deaths.

Spanish Prime Minister Pedro Sanchez on Wednesday announced 2.3 billion euros ($2.42 billion) in additional aid to reconstruct areas of the Valencia region hit by the deadliest flash floods in Spain's modern history.

Adam Parsons reports from an underground car park in Valencia, that is "full of mud and abandoned cars", following the severe floods that hit the region.

Tribute to victims of deadly Spain floods in Valencia Residents pay tribute to the victims of the deadly Valencia floods in Alfafar, Spain, by setting off their mobile phone ringers at the exact time of when an alarm message was sent on that catastrophic day one month ago.

Spanish Prime Minister Pedro Sanchez on Wednesday announced 2.3 billion euros ($2.42 billion) in additional aid to reconstruct Valencia area after the deadliest flash floods in Spain's modern history.