The shadow chancellor Ed Balls has said that proposals to jail reckless bankers "is the way forward."
Mr Balls added: "The challenge now is to make sure we don't have a repeat of these issues in the future. The Government needs to act now."
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The triggering of Article 50 has dominated newspaper headlines on Thursday, with many focusing on a possible threat over security by Ms May.
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Revenge porn offenders who attempt to magnify their targets' humiliation will face the toughest penalties under new sentencing proposals.