Police in Spain have confirmed several people have been killed after a terror attack in Barcelona.
A van hit crowds in Las Ramblas - a busy area which is popular with tourists - injuring more than 10 people.
Witnesses describe seeing people running in panic - and police flooding the area.
The driver fled on foot afterwards - and is now being sought by officers.
Local media are also suggesting gunmen are holed up in a nearby bar - and there are reports that shots have been heard.
Armed police have been seen near the scene of the attack, moving through local streets.