Italian police officer with sniffer dog checks carriage compartment at Central station in Rome.
An Italian police officer with a sniffer dog checks a carriage compartment at the Central station in Rome, July 12, 2005. Italy's interior minister warned on Tuesday that terrorism was "knocking on Italy's door" and urged parliament to strengthen security laws to combat the threat of becoming the next target in a nervous Europe. Giuseppe Pisanu proposed an array of new measures, including boosting police powers to investigate suspects and encourage the use of informants. REUTERS/Alessandro Bianchi AB/DY