World News: BBC News
Iron Man battles to $100m debut
Iron Man proves its box office mettle by taking an estimated $101m in its opening weekend. Read more…
Microsoft walks away from Yahoo
Software giant Microsoft drops its bid to buy internet firm Yahoo after the two sides fail to agree a price. Read more…
Zimbabwe run-off remains in doubt
Zimbabwe's opposition says it has come to no decision yet on whether to take part in a presidential run-off. Read more…