Protestors and police in riot gear have been locked in a tense standoff in Pheonix, Arizona just hours after a controversial immigration law went into effect.

There are claims the cost of the $43 billion National Broadband Network could double.

The retesting of DNA evidence used to convict a man of a Queensland murder 20 years ago has confirmed his guilt.

"It is necessary for me to establish a winner image. Therefore, I have to beat somebody."