Police in Barcelona have made arrests in connection with a terrorist attack Thursday in which a van hopped a curb on a busy street and crashed into dozens of people, causing many fatalities and injuries.
Van Crashes Into Crowd in Barcelona Terrorist Attack
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Police patrol the area after a van crashed into pedestrians near the Las Ramblas avenue in central Barcelona, Spain, Aug. 17, 2017.

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A woman cries as she and a man are escorted by Spanish police outside a cordoned off area after a van plowed into a crowd on the Las Ramblas avenue in Barcelona, Aug. 17, 2017.

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People are pictured inside Systemaction, a locked-down store, after a van crashed into crowds on Las Ramblas in Barcelona, Spain, Aug. 17, 2017.

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Policemen check the identity of people standing with their hands up after a van plowed into a crowd on the Las Ramblas avenue in Barcelona, Aug. 17, 2017.