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A person is stretched out of a mall by medical staff members in a cordoned off area after a van ploughed into the crowd, injuring several persons on the Rambla in Barcelona on August 17, 2017.
Police in Barcelona said they were dealing with a "terrorist attack" after a vehicle ploughed into a crowd of pedestrians on the city's famous Las Ramblas boulevard on August 17, 2017. Police were clearing the area after the incident, which has left a number of people injured. / AFP PHOTO / Josep LAGO        (Photo credit should read JOSEP LAGO/AFP/Getty Images)
A person is stretched out of a mall by medical staff members in a cordoned off area after a van ploughed into the crowd, injuring several persons on the Rambla in Barcelona on August 17, 2017.
Police in Barcelona said they were dealing with a "terrorist attack" after a vehicle ploughed into a crowd of pedestrians on the city's famous Las Ramblas boulevard on August 17, 2017. Police were clearing the area after the incident, which has left a number of people injured. / AFP PHOTO / Josep LAGO        (Photo credit should read JOSEP LAGO/AFP/Getty Images)

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    ¿Cómo evitar que un automóvil se convierta en un arma mortal?

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¿Cómo evitar que un automóvil se convierta en un arma mortal?

El coronel retirado del Ejército de Colombia, Luis Alberto Villamarín, dice que "esta gente está en guerra contra Occidente y la única solución es responderles con medidas más activas".

¿Cómo evitar que un automóvil se convierta en un arma mortal?

El coronel retirado del Ejército de Colombia, Luis Alberto Villamarín, dice que "esta gente está en guerra contra Occidente y la única solución es responderles con medidas más activas".