Bloomberg The U.K. Serious Fraud Office opened a criminal investigation after Tata Steel Ltd. identified a lapse in procedures at its Speciality Steels business through an internal audit in 2015, the company said in an exchange filing on Saturday. “Certain inappropriate testing and certification procedures at the South Yorkshire-based Speciality Steels business were identified” in the audit, the company said. …

Bloomberg The first full week of the European Central Bank’s expanded bond buying highlighted the program’s limitations in the face of heightened political risks in the euro area. The extra yield, or spread, that investors get for holding Spain’s 10-year bonds instead of similar-maturity German securities widened to the most in two months. That was even as the ECB increased …

Bloomberg German towns and cities plagued by car and truck pollution will soon get the legal tools they need to ban older diesel vehicles from streets where emissions are highest. Chancellor Angela Merkel’s government will remove the legal uncertainty that has made town mayors and councils hesitate to ban older diesels from their streets, said Deputy Environment Minister Jochen Flasbarth, …