The flurry of concern comes after a disastrous state election result for the Liberals in Victoria - prompting questions over how the next six months of federal campaigning should play out.

Prime Minister Scott Morrison during Question Time in the House of Representatives at Parliament House in Canberra. Source: AAP
The flurry of concern comes after a disastrous state election result for the Liberals in Victoria - prompting questions over how the next six months of federal campaigning should play out.