Amnesty International says war planes supplied by the UK to Saudi Arabia are "extremely likely" to have been used in attacks on civilians in Yemen. "Our report points to the Saudis using UK-supplied and UK-maintained arms in secret attacks that have left scores of Yemeni civilians dead," Amnesty’s Arms Program Director Oliver Sprague said on Tuesday. "The government needs to announce a thorough investigation to get to the bottom of this, reporting the findings back to Parliament," he added, demanding "all current and future UK supplies of arms to Saudi Arabia should be suspended pending the results of this investigation." The UK must ensure that the jet fighters "did not facilitate violations of international humanitarian law, including possible war crimes, by the Saudi Arabian air force," the human rights group said. Amnesty's report found it was "extremely likely that the Saudi air force deployed UK-supplied Tornado fighter-bombers in the strikes" against Yemen's Houthi fighters in the country's northern Sa'ada province in early November 2009. The report said "months of attacks saw heavy aerial bombardments, including from Saudi Arabian forces" last year. "Amnesty has gained information pointing to hundreds — possibly thousands -- of civilians being killed in the bombing," it noted. The report added that in one attack on December 17, at least 41 people, including 21 children and 14 women, were killed when their settlement in al-Ma'jalah in the Abyan district was ...