Iraq British aid worker Margaret Hassan was feared murdered by her kidnappers in Iraq, while more than 20 people including women and children were killed as violence swept across Sunni Muslim towns. Iraq US marines said they expect to allow civilians back into Fallujah soon as they seek to restore normalcy to the battered city after more than a week of combat between US forces and rebels. Russia President Vladimir Putin said that Russia would in the coming years acquire new nuclear weapon systems which other nuclear powers do not yet have and are unlikely to develop in the near future. Mideast Doctors who treated Palestinian leader Yasser Arafat believe he died of a blood clotting disorder and ruled out poisoning, France's respected Le Monde newspaper reported. Chile Chilean anti-riot forces fired tear gas and water cannon in street clashes with high school students protesting an Asia-Pacific summit, three days before President George W. Bush's arrival. Iran Iran warned that its agreement to suspend sensitive nuclear activities in order to ease fears it is seeking the bomb was subject to rapid progress in a new round of negotiations to begin next month. Iran An Iranian opposition group alleged that Iran was hiding a uranium enrichment facility in Tehran and aims at getting the atomic bomb next year. Sudan As the UN Security Council flew to Nairobi for a meeting focussing on Sudan's main civil war, both sides in the devastating conflict said a comprehensive peace deal is likely to be signed within days of high level talks resuming next week. Mideast New Palestine Liberation Organisation leader Mahmud Abbas was wrapping up a visit to the Gaza Strip after failing to persuade the radical Islamist group Hamas to join the political mainstream. India Indian Prime Minister Manmohan Singh dangled a multi-billion-dollar plan for peace before Kashmiris as he pulled an army battalion out of the insurgency-hit state and hinted at further troop cuts. Britain On the eve of an official visit to London, French President Jacques Chirac has said he is "not at all sure" that the world has become safer since the downfall of Iraqi dictator Saddam Hussein. US CIA Director Porter Goss has reminded employees of the intelligence agency that they are not to "identify with, support or champion opposition" to the US administration in the latest salvo of a struggle for political control of the agency. Argentina Three bombs exploded at banks in Buenos Aires, killing one man and injuring another, police said.