Sources at the Moroccan Foreign Ministry said on Friday that there are three Moroccans among the people injured in Barcelona car-ramming attack on Thursday.

Wounded Moroccans include a child in a serious condition, Sky news channel reported.

The Moroccan consulate in Barcelona is working on gathering information about the terror attack in Spain. (MENA)

Thirteen people were killed when a van veered on to Las Ramblas, one of Barcelona's most famous and popular boulevards, and struck pedestrians.

Separately, a woman was killed and six people, including a police officer, were injured when a car drove into people in the town of Cambrils in a second attack. Police said the two atrocities were linked.

Some 130 people were injured in the attacks, which struck popular tourist destinations at the height of the European summer. Overall citizens from 34 countries were affected, Spanish officials said.