A van has been involved in a “massive crash” in the city centre of Barcelona, with “several” injured.
Police said a white van mounted the pavement and struck several people.
Pictures from the scene show emergency services and civilians attending to at least two people on the ground.
The Ministry of the Interior said on Twitter: “There has just been a massive trampling on the Ramblas in Barcelona by a person with a van. There are injured.”
Emergency services in Catalonia say they have asked the Metro and train services in the area to close.
The National Police have told people to avoid Plaza Catalunya area after the smash in Las Ramblas.