Spain holds memorial tribute to victims of terror attacks

A counter protester and a far-right protester argue during a gathering after a van attack in Barcelona, Spain, Friday Aug. 18, 2017. Police on Friday shot and killed five people carrying bomb belts who were connected to the Barcelona van attack, as the manhunt intensified for the perpetrators of Europe's latest rampage claimed by the Islamic State group.[Photo: AP/Manu Fernandez]

Two strangers embrace at a memorial tribute of flowers, messages and candles to the victims of the terrorist attack, on the historic street of Las Ramblas, in Barcelona, Spain, Friday Aug. 18, 2017. Spanish police on Friday shot and killed five people carrying bomb belts who were connected to the Barcelona van attack that killed at least 13, as the manhunt intensified for the perpetrators of Europe's latest rampage claimed by the Islamic State group. [Photo: AP/Santi Palacios]

A woman and two children observe a memorial tribute to the victims of the terrorist attack on the historic street of Las Ramblas one day after the terrorist attack, in Barcelona, Spain, Friday Aug. 18, 2017. Police on Friday shot and killed five people carrying bomb belts who were connected to the Barcelona van attack, as the manhunt intensified for the perpetrators of Europe's latest rampage claimed by the Islamic State group.[Photo: AP/Santi Palacios]

People gather at a memorial tribute of flowers, messages and candles to the victims on Barcelona's historic Las Ramblas promenade on the Joan Miro mosaic, embedded in the pavement where the van stopped after killing at least 13 people in Barcelona , Spain, Friday, Aug. 18, 2017. Spanish police on Friday shot and killed five people carrying bomb belts who were connected to the Barcelona van attack as the manhunt intensified for the perpetrators of Europe's latest rampage claimed by the Islamic State group. [Photo: AP/Manu Fernandez]