Police in Washington DC are investigating who authorised a controversial high-speed police escort for Charlie Sheen.

Iraq must decide within weeks whether it wants US troops to remain in the country beyond the end of 2011, the top US military officer says.

France calls for an easier mechanism for temporarily suspending the EU's passport-free Schengen travel zone, as it fears an influx North African migrants.

Flawed training and equipment on Transocean's Deepwater Horizon oil rig contributed to last year's Gulf of Mexico disaster, the US Coast Guard finds.

Tribes loyal to Col Gaddafi say they will drive rebels from the besieged port city of Misrata, a senior official says, as Nato launches fresh air strikes on Tripoli.

US President Barack Obama accuses Syria of using "outrageous" force against protesters and of seeking Iranian help to quell weeks of unrest.

Two tourists in trouble on an Andean volcano send a message to a US emergency centre, kick-starting an attempt to rescue them.

Hollywood celebrity Lindsay Lohan is sentenced to 120 days in jail for violating probation on a 2007 drink-driving conviction.