Why a promenade in Barcelona and the seaside town of Cambrils? And though the horror of attacks like Thursday’s on the tourist-packed Las Ramblas in Barcelona, where at least 13 people were killed, dominate attention, authorities have made major gains in Europe in identifying and tracking potential terrorists and in preventing attacks. Sign Up You agree to receive occasional updates and special offers for The New York Times's products and services. We know that the terrorists strike in places like Las Ramblas, where people of all ages and nationalities gather simply to enjoy themselves, and that they use the most banal instruments, like the rented van in Barcelona, to spread the greatest fear. At least 80 people from over 30 countries were injured in Barcelona.

Source: New York Times August 19, 2017 02:26 UTC