Ben Carroll announces royal commission into construction sector as first act as new premier of Victoria

Jacinta Allan steps down from top job before expected spill, saying her deputy has her unqualified support'

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Ben Carroll has been sworn in as the premier of Victoria following Jacinta Allan's resignation, with his first act as leader to announce a sweeping royal commission into alleged corruption in the construction sector.

Carroll's elevation comes just four months before the state election and follows a tumultuous 48 hours for Labor, during which Allan resigned and a surprise challenger emerged in the leadership contest.