From the Crikey grapevine, the latest tips and rumours … 

Loose units. Liberal Democratic senator, first attempt at Bond villain Halloween costume, and knee-slapping massacre-related zinger delivery system David Leyonhjelm has formed a "loose voting block" with Australian Conservatives' Cory Bernardi and One Nation dumpee Fraser Anning. The move was announced in his newsletter, saying "with three of us working together on issues of agreement, the government will have no option but to talk to us at the same time as it talks to the Hanson and Xenophon groups. We will be a first port of call for the government rather than a last resort".