Barack Obama, the US president, gave a televised speech in response to Haiti's catastrophic earthquake as victims spent their second day struggling with the destruction it left behind.<br /><br />Thousands of Haitians are now left to survive without water, sanitation or electricity.<br /><br />The Red Cross in Haiti fears up to 50,000 people were killed in Tuesday's earthquake, but Haitian officials say it could be twice that.<br /><br />Al Jazeera's Sebastian walker reports from the capital, Port-au-Prince.<br /><br />[Viewers may find some of the images distressing]<br /><br />Jan 12, 2010
