The United Nations says a "bloodbath" is taking place in northern Sri Lanka, as government troops launch attacks on Tamil Tiger separatists.<br /><br />One medic in the war zone has reported that 370 bodies were delivered to his hospital over the weekend.<br /><br />Each side accuses the other of inflicting the casualties - claims that are impossible to verify.<br /><br />Al Jazeera's Harry Fawcett reports.
