Iraqi Shiite militia fighters led a massive rally of followers of a hardline anti-American cleric today, marching in Baghdad in a show of defiance as Iraqi leaders weigh whether to keep US troops in the country beyond the end of the year.

US forces raided an al-Qaida hide-out north-east of Baghdad today and freed 42 Iraqis imprisoned inside, including some who had been tortured and suffered broken bones, a senior U.S. military official said.