The Morrison government has been hit by an election-eve leak that cabinet’s national security committee blocked a proposal by the foreign affairs minister, Marise Payne, to double Australia’s support to the Pacific. Labor said the “extraordinary” pre-election leak, first reported by the Australian newspaper, showed the government was “falling apart”, while Scott Morrison insisted the committee was “extremely tight”. The revelation was expected to trigger renewed debate about the government’s Pacific policy in the wake of China signing a security deal with Solomon Islands. Guardian Australia has confirmed that the…