Shares of UnitedHealth Group surged more than 12% in premarket trading today after Warren Buffett's Berkshire Hathaway revealed a new investment in the US health insurer.

Australia have made a change to their bench for Saturday's Rugby Championship clash against South Africa after re-evaluating the cover they want for veteran flyhalf James O'Connor.

The UN human rights office has described Israel's decision to build a new settlement near East Jerusalem as a "war crime".