The European Union stepped up the pressure on Morocco to withdraw its troops from the disputed Mediterranean island of Perejil Monday as Spain dispatched submarines, warships and attack helicopters to protect its North African territories. Moroccan troops raised the national flag over the uninhabited island Thursday, sparking an immediate outcry from Spain, which claims the move violates its sovereignty. Madrid is also concerned about the security of its North African enclaves of Ceuta and Melilla. Full Story