At least 13 people have been killed and dozens more injured after a van drove into crowds in Barcelona's Las Ramblas tourist area.
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Police searched the area after the attacker was believed to have escaped on foot.
AFP
Terrified children were helped to safety as the search for the attacker continued.
AFP
Police evacuated much of the centre of the city after the attack.
AFP
Many people sought shelter in cafes and bars along the Las Ramblas.
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People who were in the area comforted each other when they reached safety.
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Police said the attack was tied to an explosion in a house in Alcanar, north-east Spain, on Wednesday
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The van used in the attack was towed away.
AFP
Witnesses described the van as deliberately targeting people by weaving from side to side down the boulevard.
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Police officers combed the area for forensic evidence.
AFP
Spanish police later said they had killed five suspected terrorists in the town of Cambrils, to stop a second vehicle attack. That attack left one woman dead.
AFP
This car, used in the incident in Cambrils, was removed from the resort on Friday morning.
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Despite the attack, shops opened for business on Las Ramblas on Friday.
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People arrived at the scene to pay tribute to victims of the attack.
AFP
Crowds began to fill Las Ramblas to observe a minute's silence on Friday.
AFP
(From left to right) Spanish Prime Minister Mariano Rajoy, Spain's King Felipe VI, and the President of Catalonia Carles Puigdemont all attended the tribute.
AFP
After the silence, defiant crowds chanted "no tenim por!" ("we are not afraid!")
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