Iraq At least four people were killed in rebel attacks in Baghdad, adding to fears of spiralling violence in the run-up to the October 15 referendum on the new constitution for post-Saddam Hussein Iraq. Britain Prime Minister Tony Blair was due to meet Iraqi President Jalal Talabani, a day after London accused Iran of supplying explosives technology to rebels in Iraq who have killed British soldiers. US The US Senate explicitly barred US soldiers from torturing or mistreating prisoners in a measure outlining strict military interrogation guidelines that passed by 90 votes to nine, despite White House opposition. Germany German Chancellor Gerhard Schroeder and his conservative rival Angela Merkel faced a pivotal meeting that may settle their power struggle and pave the way for their parties to form a left-right coalition. Italy Five people went on trial for the murder in London in 1982 of former Banco Ambrosiano chief Roberto Calvi, known as "God's Banker" because of his links to Vatican finance. US A former US Marine and naturalized US citizen from the Philippines breached security at the White House and allegedly used his top secret clearances to steal classified documents from Vice President Dick Cheney's office, ABC News said. Italy Italian diary giant Parmalat began trading again on the Milan stock market after a 22-month gap due to one of Europe's biggest financial scandals, trading at just over 3.0 euros a share shortly after an opening price set at 3.15. Indonesia Indonesian police pledged to beef up security in Bali after last weekend's deadly bomb blasts, as they hunted for leads in the attacks blamed on Islamic militants. Mexico Tropical Storm Stan only briefly reached hurricane strength but killed at least 160 people as it roared across Mexico and Central America. US New Orleans residents driven into exile by hurricanes were allowed to return to all but the city's hardest hit neighborhood. Malaysia The European Commission became the twelfth foreign mission here to receive a suspicious package and warned threats to Malaysia's diplomatic community were now a serious security issue. Spain Hundreds of would-be immigrants stormed the border between Morocco and Spain's north African enclave of Melilla, but Spanish and Moroccan security forces prevented them from crossing.