(CNN)[Breaking news update, published at 8:20 p.m. ET]
The United States condemns the terror attack in Barcelona, Spain, and will do whatever is necessary to help. Be tough & strong, we love you!
— Donald J. Trump (@realDonaldTrump) August 17, 2017
London stands with Barcelona against the evil of terrorism.
— Sadiq Khan (@SadiqKhan) August 17, 2017
CNN’s Vasco Cotovio, Steve Almasy, Hilary McGann, Claudia Rebaza, Laura Goehler, Duarte Mendonca, David Valenzuela and Julia Jones contributed to this report.