Barcelona terror attack: 13 dead, 100 wounded as van plows into crowd in Las Ramblas

People walk down a main street in Barcelona, Spain, Thursday, August 17, 2017. Police in Barcelona say a white van has mounted a sidewalk, struck several people in the city's Las Ramblas district. (Source: AP Photo)

People flee from the scene after a white van jumped the sidewalk in the historic Las Ramblas district of Barcelona, Spain, crashing into a summer crowd of residents and tourists Thursday, August 17, 2017. According to witnesses the white van swerved from side to side as it plowed into tourists and residents. (Source: AP Photo)

Children, some in tears, are escorted down a road in Barcelona, Spain, Thursday, Aug. 17, 2017. (Source: AP Photo/Manu Fernandez)

Police evacuate people after a van crashed into pedestrians near the Las Ramblas avenue in central Barcelona, Spain August 17, 2017. (Source: REUTERS)

Police patrol the area after a van crashed into pedestrians near the Las Ramblas avenue in central Barcelona, Spain August 17, 2017. (Source: REUTERS)

A police officer talks to people attending to injured persons at the scene after a van crashed into pedestrians near the Las Ramblas avenue in central Barcelona, Spain August 17, 2017. (Source: REUTERS)

A police officer helps evacuate people after a van crashed into pedestrians near the Las Ramblas avenue in central Barcelona, Spain August 17, 2017. (Source: REUTERS)

Emergency workers stand on a blocked street in Barcelona, Spain, Thursday, Aug. 17, 2017. A white van jumped up onto a sidewalk and sped down a pedestrian zone Thursday in Barcelona's historic Las Ramblas district, swerving from side to side as it plowed into tourists and residents. Police said 13 people were killed and more than 50 wounded in what they called a terror attack. (Source: AP Photo/Manu Fernandez)

The suspected van is towed away from the area where it crashed into pedestrians at Las Ramblas in Barcelona, Spain, August 18, 2017. (Source: REUTERS)

Officers investigate at the scene where police had killed four attackers in Cambrils, south of Barcelona, in this still image taken from Reuters video on August 18, 2017. (Source: REUTERS)

People wait to enter the area after a van crashed into pedestrians near the Las Ramblas avenue in central Barcelona, Spain August 17, 2017. Picture taken August 17, 2017. (Source: REUTERS)

REFILE - CORRECTING DATE Forensic police officers search for clues near the area where a van crashed into pedestrians at Las Ramblas in Barcelona, Spain, August 18, 2017. (Source: REUTERS)

Armed Catalonian Mosses de Escuadra officers leave the area where a van crashed into pedestrians at Las Ramblas in Barcelona, Spain, August 18, 2017. (Source: REUTERS)

While full details of the van incident were not immediately clear, vehicles have been used to ram into crowds in a series of militant attacks across Europe since July 2016, killing well over 100 people in Nice, Berlin, London and Stockholm. (Source: AP Photo)

The incident took place at the height of the tourist season in Barcelona, which is one of Europe’s top travel destinations with at least 11 million visitors a year. (Source: AP Photo)

Prime Minister Mariano Rajoy said he was in contact with authorities, and the priority was to attend to the injured. (Source: AP Photo)

Following the van crash, emergency services said people should not go to the area around Barcelona’s Placa Catalunya, one of the city’s main squares at the top of the famous Las Ramblas avenue, and requested the closure of nearby train and metro stations. (Source: AP Photo)

It was not immediately clear whether the incidents were connected. (Source: AP Photo)

A police spokesman said he could not confirm any deaths or that the incident was being treated as terrorism. Soon afterwards, Spain’s El Periodico newspaper reported that two armed men were holed up in a bar in Barcelona’s city centre, and reported gunfire in the area, although it did not cite the source of the information. (Source: AP Photo)

At least thirteen people have been confirmed killed and several others injured after a van plowed into a crowd in the heart of Barcelona on Thursday. Police said they are treating the incident as a terrorist attack. (Source: AP Photo)