Police have shot dead a suspect who they believe could be the driver of the van in Las Ramblas attack.
Spain was mentioned 24 times in jihadist videos, newsletters and other forms of online propaganda over a period of just five months in 2016.
The death toll in Spain's terror attacks has risen to 15, as police confirm man found stabbed dead in a car outside Barcelona was linked to the case.
Makeshift memorials have sprung up on Las Ramblas replacing blood stains on the flagstones with messages of love.
A Spanish woman died at a hospital in Seville when she became caught in lift doors as she was being stretchered to the recovery room after giving birth.
Spanish police have identified the driver of the van that mowed down pedestrians on the busy Las Ramblas boulevard in Barcelona, killing 13.
Spain appealed for unity after the deadly attacks in Catalonia but tensions between Madrid and Barcelona over the region's separatist drive have endured and have even flared up in the police probe.