A van ploughed through a crowd of pedestrians Thursday in the center of Barcelona, leaving at least 13 people dead and around 100 injured in an attack claimed by the Islamic State militant group, local authorities said.Police detained two persons for their alleged involvement in the assault in Spain's second-largest city, while the suspect believed to have driven the vehicle fled the scene.(Getty / Kyodo)Spanish Prime Minister Mariano Rajoy said the attack was "jihadist terrorism" while calling it a global threat requiring a worldwide response.World leaders including those from Australia, B…READ FULL ARTICLE