Photos and videos have emerged online from the incident in Barcelona city center where a van struck dozens of pedestrians on a busy thoroughfare. Police have confirmed it was a terrorist attack and at least one person is dead and 32 injured.

Footage shows the scene of the collision in Las Ramblas, in which a van mounted a pavement thronged with pedestrians, as emergency services rushed to the incident.

Una furgoneta atropella a decenas de personas en Barcelona

PRIMERAS IMÁGENES, EN VIVO https://t.co/0k1sa8w48Cpic.twitter.com/fIA8moTkIg — RT en Español (@ActualidadRT) August 17, 2017

Estampida ahora mismo en El Corte Inglés de Plaza Catalunya en Barcelona pic.twitter.com/72LLRmJjRk — Jordi Perez Colome (@jordipc) August 17, 2017

Total panic - we are all getting pushed back- la Ramblas pic.twitter.com/1MwYLfFZJc — Aamer Anwar (@AamerAnwar) August 17, 2017

Police have confirmed one death and 32 injuries, 10 of which are seriously injured. Graphic footage of the victims lying on the street has also been shared across several social media platforms.

A post shared by David Yepes (@fontyye) on Aug 17, 2017 at 8:55am PDT

Other footage shows panicked pedestrians fleeing the chaotic scene and emergency responders at the popular tourist destination.

READ MORE: Van smashes into pedestrians in central Barcelona Live updates

A heavy police presence can be seen searching the Las Ramblas area for the suspect, or suspects, reportedly hold up at a restaurant in the area.