Iraq Iraqis began voting amid tight security in a landmark referendum on a constitution drafted to turn another page on the ousted regime of Saddam Hussein. Health Europe bolstered its defences against bird flu after the lethal Asian strain of the virus was confirmed in Turkey and amid fears it may have entered the European mainland for the first time. Quake Heavy rain and cloud halted air operations supplying desperately needed aid to survivors of Pakistan's devastating earthquake after a cold night rocked by new tremors. Russia Russian special forces stormed three buildings held by rebel gunmen crushing a massive raid by militants in the southern city of Nalchik that ended with more than 100 people dead, officials said. US President George W. Bush's top aide Karl Rove testified for a fourth time before a grand jury about the leaked identity of a CIA agent, which opponents call politically motivated. Netherlands Dutch police arrested seven new suspected members of the Hofstad group terrorist cell and eliminated "an acute threat" to several politicians and the intelligence services, the interior minister said. Morocco A five-day airlift to repatriate hundreds of west Africans from Morocco in a crackdown on clandestine immigration ended in the north and foreign diplomats headed south to monitor a new one. Iran US Ambassador to the United Nations John Bolton accused Iran of engaging in an 18-year bid to develop nuclear weapons and claimed that the country might ultimately supply them to terrorists. US The United States trimmed its groaning budget deficit to 319 billion dollars in fiscal year 2005, the government announced, as swelling tax revenues partly offset heavy spending on defense and health care. US The United States, taking advantage of a newly-approved free trade agreement, begins a commercial offensive in Central America this coming week, prompting concerns that local economies weakened by recent floods could represent easy targets for US corporations. Denmark Danish Crown Princess Mary gave birth to her first child, a healthy son, in the maternity ward of Copenhagen university hospital, a royal spokesman announced.