Police officers work at the scene the day after an oceanside boardwalk collapsed during a nighttime concert in Vigo, Spain, Monday, Aug. 13, 2018. Authorities say the oceanside boardwalk collapsed around midnight Sunday at the closing event of a three-day festival, injuring 313 people, five of them seriously. [Photo: AP/Lalo R. Villar]

A police officer takes photos at the scene the day after an oceanside boardwalk collapsed, in Vigo, Spain, Monday, Aug. 13, 2018. An oceanside boardwalk collapsed during a nighttime concert in the Spanish city of Vigo, injuring 313 people, five of them seriously, authorities said Monday. [Photo: AP/Lalo R. Villar]

Two police officers work at the scene the day after an oceanside boardwalk collapsed during a nighttime concert in Vigo, Spain, Monday, Aug. 13, 2018. Authorities say the oceanside boardwalk collapsed around midnight Sunday at the closing event of a three-day festival, injuring 313 people, five of them seriously. [Photo: AP/Lalo R. Villar]