ACTU secretary Dave Oliver won't say whether trade unions continue to back Julia Gillard's leadership of federal Labor.

Their backing for the prime minister is seen as her strongest bulwark against supporters of Kevin Rudd.

Confidential polling conducted for the ACTU has confirmed Labor is facing huge swings in a several government seats at the September 14 election.

When asked whether the ACTU was still backing Ms Gillard, Mr Oliver said they didn't have the key to who the leader is and that the union is backing the government. 

UCB - Presenting Australia's only National Christian radio news service www.ucb.com.au

  Legislation cracking down on what Labor has described as "widespread rorting" of the 457 foreign worker visa scheme looks to be on shaky ground, with a key independent unlikely to support it.

Rob Oakeshott says he remains unconvinced the legislation is necessary and is unlikely to vote for it.

Opposition immigration minister Scott Morrison says  the government is failing to follow proper procedures. 

UCB - Presenting Australia's only National Christian radio news service www.ucb.com.au

The Queensland hospital where a deadly legionella outbreak occurred will start taking new patients again today, now that tests have cleared a wing of the bacterium. The Wesley Hospital in Brisbane suspended all surgery, ambulances were directed elsewhere and remaining patients could not take showers.

A 46-year-old woman remains in a stable condition in intensive care after she contracted legionnaires' disease.

The hospital's two other wings will reopen in two weeks pending the results of water tests. 

UCB - Presenting Australia's only National Christian radio news service www.ucb.com.au