Brad Battin faces spill after group of Victorian Liberal MPs say they have lost confidence in his leadership

Sources say shadow treasurer Jess Wilson has received enough support to test leadership of the party a year out from state poll

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A group of Victorian Liberal MPs has told the party leader, Brad Battin, they no longer have confidence in his leadership, paving the way for a vote on whether to replace him.

The intervention on Monday afternoon - delivered almost one year before the state goes to the polls - could trigger a ballot on his position as early as Tuesday morning.