Japan's lower house passed a bill on Friday to provide government guarantees on insurance for Iranian crude cargoes, a key step towards it becoming the first of Iran's big Asian oil buyers to get round new European Union sanctions.

A former partner at Dewey & LeBoeuf has sued a group of the law firm's ex-leaders for fraud, saying they ran the now-bankrupt firm as a Ponzi scheme to benefit themselves.

Schools, libraries, airports, hotels: most of these heavily trafficked venues now offer convenient Wi-Fi access to hundreds of employees and patrons, and unintentionally offer hackers potential access to scores of personal information.