A look at the van that reportedly slammed into pedestrians in #Barcelona. Several ppl injured. Motive/cause unknown. pic.twitter.com/ezyPp289k8

— Kevin Rincon (@KevRincon) August 17, 2017

SPAIN: TERROR IN BARCELONA – 2 armed men enter restaurant following van attack, reports of several dead including children. GRAPHIC VIDEO: pic.twitter.com/M6p4tWsIBT

— KolHaolam (@KolHaolam) August 17, 2017

Update:

Via Fox News:

At least two people were killed and 20 injured when a vehicle hit a crowd of people in a popular area of Barcelona, Sky News and local media reported.

A van struck pedestrians in the Las Ramblas tourist area, in the center of the city in what local police are calling a terrorist attack.

The driver fled the scene on foot and local TV reports indicate armed men entered a restaurant shortly after the attack, taking hostages.