In Sweden, Police have arrested two men after a lorry crashed into a Stockholm department store yesterday, killing at least four people. <br/><br/>The first man to be arrested is being held on suspicion of committing a terrorist crime by murder. He was detained after police released a grainy CCTV image of a person of interest, with a second arrest made later. <br/><br/>Swedish Prime Minister Stefan Lofven has called it a terrorist attack. More than a dozen people were injured. Country's borders have been tightened. <br/><br/>The lorry crashed into the front of Ahlens department store on Drottninggatan-Queen Street, one of the city's major pedestrian thoroughfares. The beer company that owns the vehicle said it was hijacked outside a nearby restaurant, where it was making a delivery.<br/><br/>