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Attorney-General Nicola Roxon is set to announce today that she is leaving the portfolio, triggering a wider reshuffle in a dramatic week for the Government. Prime Minister Julia Gillard will be holding a press conference in Canberra at 11.00am (AEDT) to make the announcement.Senate leader Chris Evans is also expected to announce his resignation at the press conference.Follow the ABC News 24 stream for live coverage of the reshuffle.The resignations come just two days after Ms Gillard announced the federal election would take place on September 14.