Senegal is to hold a second round of presidential election after incumbent Abdoulaye Wade failed to win outright, election officials confirm.

Apple's stock market valuation rises above $500bn joining only six other companies to have reached that mark.

The US welcomes a pledge from North Korea to suspend uranium enrichment, as well as nuclear and long-range missile tests, in return for food aid.

The belief that older people tend to suffer worse sleep may be false - in fact the reverse may be true, according to US researchers.

China's manufacturing expanded in February, a survey suggests, easing concerns about a slowdown in its economy.

Dhaka Gladiators' Pakistani stars help them win the inaugural Bangladesh Premier League T20 series, beating Barisal Burners by eight wickets.

US presidential hopefuls Mitt Romney and Rick Santorum each take 15 delegates after Michigan's primary, despite Mr Romney winning the overall vote.

Internet company Google goes ahead with its new privacy policy despite warnings from the EU that it might violate European law.