Barcelona and Cambrils attacks: What, where and why?

Separate attacks have taken place in Spain’s Catalonia region. Here is what is known so far. What happened and when? On Thursday at 4:50 pm local time (14:50 GMT), a white van ploughed into a crowd of pedestrians on the famous Las Ramblas boulevard in Barcelona. Witnesses said the vehicle zigzagged at high speed down Las…