At least 17 people were injured as a result of a strong gas explosion in a residential building in the Asturian town of Mieres, which collapsed, according to the Emergency Service of the Principality (SEPA). Three of the injured suffered serious injuries and were taken to a hospital in Oviedo, while firefighters and a canine unit are searching through the rubble to see if there are more people trapped. Among the less seriously affected are two minors, according to details in the local press.