UPDATE: 2:45 p.m. Thursday

The Islamic State group has claimed responsibility for the van attack in Barcelona that officials say killed 13 people and injured many others.

A statement carried by the extremist group91裸聊视频檚 media arm 91裸聊视频� the Aamaq news agency 91裸聊视频� says Thursday91裸聊视频檚 attack was carried out by 91裸聊视频渟oldiers of the Islamic State.91裸聊视频�

It says the attack was in response to IS calls for its followers to target countries participating in the coalition trying to drive the extremist group from Syria and Iraq.

The statement provided no further details about the attackers.

UPDATE: 2 p.m. Thursday

The government in Spain91裸聊视频檚 Catalonia region has revised the death toll from the van attack in Barcelona back up to 13.

The regional interior department said late Thursday that 15 people were seriously injured in the attack at the central Las Ramblas district.

Another 23 were moderately wounded and 42 people were lightly wounded.

The injured are being cared for at various hospitals.

Catalonia91裸聊视频檚 regional president, Carles Puigdemont, tells Barcelona broadcaster TV3: 91裸聊视频淥ur priority is to save lives. And our second priority is the police investigation, to find the people responsible of this attack and anyone who has helped them directly or indirectly.91裸聊视频�

The Associated Press

BREAKING: Catalonia's regional president gives casualty toll update: 12 dead, 80 hospitalized after Barcelona van attack.

91裸聊视频� The Associated Press (@AP)

A white van jumped up onto a sidewalk and sped down a pedestrian zone in Barcelona91裸聊视频檚 historic Las Ramblas district Thursday, swerving from side to side as it plowed into tourists and residents. Calling it a terror attack, police said at least one person was killed and 32 were wounded, many seriously.

The attack left dozens of people sprawled out on the ground in the city in northeastern Spain, some spattered with blood and others coping with broken limbs. As witnesses and emergency workers tried to help the wounded, police brandishing hand guns launched a search of side streets amid reports that at least one perpetrator and maybe more were holed up in a nearby bar.

A few hours later, Spanish public broadcaster RTVE announced that one suspect in the Barcelona van attack had been arrested. Authorities provided no immediate information on the person or on who might be behind the attack.

91裸聊视频淲e can only confirm one death and 32 injured, some seriously, so unfortunately the number of fatalities will likely rise,91裸聊视频� Joaquim Forn, the regional interior chief who is in charge of the police, told reporters Thursday evening.

Local media reported up to 13 dead. They did not name their sources.

BREAKING: Barcelona's mayor: Minute of silence to be held Friday in main square 'to show that we are not scared' after van attack.

91裸聊视频� The Associated Press (@AP)

Police immediately cordoned off the city91裸聊视频檚 broad Las Rambles avenue, which is popular with tourists, and ordered stores and nearby Metro and train stations to close. They asked people to stay away from the area so as not to get in the way of emergency services. A helicopter hovered over the scene.

Quoting unnamed police sources, the El Pais newspaper said the two perpetrators of the crash were holed up in a bar in Tallers Street. Armed police ran down adjacent streets and through a market, checking into stores and cafes, presumably in search of them.

Las Ramblas, a street of stalls and shops that cuts through the centre of Barcelona, is one of the city91裸聊视频檚 top tourist destinations. People walk down a wide, pedestrian path in the centre of the street but cars can travel on either side. A taxi driver who witnessed the attack, Oscar Cano, told TV3 the van jumped onto the central pedestrian area at a high speed and swerved from side to side.

In photographs and videos, at least five people could be seen lying on the ground in the street Thursday afternoon, being helped by police and others. Other video recorded people screaming as they fled the van.

Keith Fleming, an American who lives in Barcelona, was watching TV in his building just off Las Ramblas when he heard a noise and went out to his balcony.

91裸聊视频淚 saw women and children just running and they looked terrified,91裸聊视频� he said.

He said there was a bang 91裸聊视频� possibly from someone rolling down a store shutter 91裸聊视频� and more people ran by. Then police arrived and pushed everyone a full block away. Even people leaning out of doors were being told to go back inside, he said.

Fleming said regular police had their guns drawn and riot police were at the end of his block, which was soon deserted.

91裸聊视频淚t91裸聊视频檚 just kind of a tense situation,91裸聊视频� Fleming said. 91裸聊视频淐learly, people were scared.91裸聊视频�

Carol Augustin, a manager at La Palau Moja, an 18th-century place on Las Ramblas that houses government offices and a tourism information centre, said the van passed right in front of the building.

91裸聊视频淲e saw everything. People started screaming and running into the office. It was such a chaotic situation. There were families with children. The police made us close the doors and wait inside,91裸聊视频� she said.

Spain has been on a security alert one step below the maximum since June 2015 following attacks elsewhere in Europe and Africa. Spanish police have also been involved in the arrests of more than 200 suspected jihadis since then.

Cars, trucks and vans have been the weapon of choice in multiple extremist attacks in Europe in the last year.

The most deadly was the driver of a tractor-trailer who targeted Bastille Day revelers in the southern French city of Nice in July 2016, killing 86 people. In December 2016, 12 people died after a driver used a hijacked trick to drive into a Christmas market in Berlin.

There have been multiple attacks this year in London, where a man in a rented SUV plowed into pedestrians on Westminster Bridge, killing four people before he ran onto the grounds of Parliament and stabbed an unarmed police officer to death in March.

Four other men drove onto the sidewalk of London Bridge, unleashing a rampage with knives that killed eight people in June. Another man also drove into pedestrians leaving a London mosque later in June.

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Hatton reported from Lisbon. Ciaran Giles in Madrid also contributed.

Barry Hatton And Joseph Wilson, The Associated Press