An injured person is carried in Barcelona, Spain, Thursday, Aug. 17, 2017, after a white van jumped the sidewalk in the historic Las Ramblas district, crashing into a summer crowd of residents and tourists and injuring several people, police said. (AP Photo/Oriol Duran)
A policeman stands next to an ambulance after a van ploughed into a crowd in Barcelona. Josep Lago / AFP.
A police officer cordons off a street in Barcelona, Spain. Police in the northern Spanish city of Barcelona say a white van has jumped the sidewalk in the city's historic Las Ramblas district, killing several people. Manu Fernandez / AP Photo.
Police officers tell members of the public to leave the scene in a street in Barcelona, Spain. Manu Fernandez / AP Photo.
A still image from video shows a police cordon on a street in Barcelona, Spain. Reuters.
A police officer cordons off a street in Barcelona, Spain. Manu Fernandez / AP Photo.
A policemen and a medical staff member stand near police cars and an ambulance in a cordoned-off area, after a van ploughed into a crowd in Barcelona. Josep LAGO / AFP.
Firefighters stand outside an evacuated mall after a van ploughed into a crowd, injuring several people near Las Ramblas in Barcelona. Josep Lago / AFP.
A policemen blocks the street to a cordoned-off area in central Barcelona. Pau Barrena / AFP.
Medical staff members and policemen stand in a cordoned-off area. Josep LAGO / AFP.
An armed policeman arrives in the area. Police were clearing the area after the attack, which has left a number of people injured. Josep Lago / AFP.
Armed policemen arrive in a cordoned off area. Josep Lago / AFP.
Armed policemen stand in a cordoned off area after a van ploughed into a crowd. Josep Lago / AFP.
An injured person is carried in Barcelona, Spain, Thursday, Aug. 17, 2017, after a white van jumped the sidewalk in the historic Las Ramblas district, crashing into a summer crowd of residents and tourists and injuring several people, police said. (AP Photo/Oriol Duran)
A policeman stands next to an ambulance after a van ploughed into a crowd in Barcelona. Josep Lago / AFP.
A police officer cordons off a street in Barcelona, Spain. Police in the northern Spanish city of Barcelona say a white van has jumped the sidewalk in the city's historic Las Ramblas district, killing several people. Manu Fernandez / AP Photo.
Police officers tell members of the public to leave the scene in a street in Barcelona, Spain. Manu Fernandez / AP Photo.
A still image from video shows a police cordon on a street in Barcelona, Spain. Reuters.
A police officer cordons off a street in Barcelona, Spain. Manu Fernandez / AP Photo.
A policemen and a medical staff member stand near police cars and an ambulance in a cordoned-off area, after a van ploughed into a crowd in Barcelona. Josep LAGO / AFP.
Firefighters stand outside an evacuated mall after a van ploughed into a crowd, injuring several people near Las Ramblas in Barcelona. Josep Lago / AFP.
A policemen blocks the street to a cordoned-off area in central Barcelona. Pau Barrena / AFP.
Medical staff members and policemen stand in a cordoned-off area. Josep LAGO / AFP.
An armed policeman arrives in the area. Police were clearing the area after the attack, which has left a number of people injured. Josep Lago / AFP.
Armed policemen arrive in a cordoned off area. Josep Lago / AFP.
Armed policemen stand in a cordoned off area after a van ploughed into a crowd. Josep Lago / AFP.
An injured person is carried in Barcelona, Spain, Thursday, Aug. 17, 2017, after a white van jumped the sidewalk in the historic Las Ramblas district, crashing into a summer crowd of residents and tourists and injuring several people, police said. (AP Photo/Oriol Duran)