LATEST: IS claim responsibility for Barcelona attack that killed 13, injured 100; two arrested

LATEST: At least 13 people have been killed and more than 100 injured after a van ploughed into pedestrians in a terror attack in a busy tourist area of Barcelona.

At least 13 people have been killed and more than 100 injured after a van ploughed into pedestrians in a terror attack in a busy tourist area of Barcelona.

Of the 100 injured, Spanish emergency services have said 15 have serious injuries.