18 March 2011 Last updated at 15:54 ET
US President Barack Obama says the Gaddafi regime must follow the UN's ceasefire demands or face military action.
Japan raises the alert level at its stricken Fukushima Daiichi nuclear plant, one week after the quake and tsunami which triggered the atomic crisis.
A US judge in Wisconsin issues a temporary restraining order blocking the state's new collective bargaining law from taking effect.
Yemen's president declares a state of emergency after gunmen in the capital reportedly kill 39 people and injure 200 at a protest rally.
The US central bank notifies some of the country's banks that they have passed stress tests, leading to higher dividends.
Chelsea face Manchester United in the quarter-finals of the Champions League, while Tottenham will play Real Madrid.
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