Malcolm Turnbull marks a year in leadership amid party disunity

Prime Minister Malcolm Turnbull delivers an address at the 59th Liberal Party Federal Council Meeting in Sydney Source: AAP

Malcolm Turnbull has sent a thinly veiled warning to his party that if he were to lose the top job, he would quit the parliament altogether.　

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The move would force a by-election in his inner-Sydney seat of Wentworth.

It comes as he marks a year since his narrow election victory over Bill Shorten last July.