Polio has spread to China for the first time since 1999 after being imported from Pakistan, the World Health Organization confirms.

A fatal grizzly bear attack in Yellowstone park in July may have been provoked by a couple's screaming and running, an investigation finds.

An 11th person dies from injuries sustained when a plane crashed into the crowds at an air show in Reno, Nevada.

Some of Mexico's main newspapers say they have stopped running sex advertisements which they say could encourage people trafficking.

A former lawyer at the Securities and Exchange Commission had a conflict of interest in the Madoff fraud case and should be investigated, a report says.

Muffins costing $16 (£10) and $10 cookies were among the "extravagant and wasteful" conference spending by the US justice department, an audit finds.

More than a million people in central Japan are urged to leave their homes as a powerful typhoon approaches, bringing heavy rains and flooding.

A preacher who claimed he could make infertile women pregnant is to be sent to his homeland of Kenya from the UK to face child abduction charges.