Iraq Iraq's parliament bowed to UN and US pressure by reversing changes to the rules of next week's referendum that critics deemed were unfair to opponents of the divisive new constitution. Iraq At least 25 people were killed and 87 wounded when a car bomb exploded near a mosque as Shiites gathered for prayers in the town of Hilla, south of the Iraqi capital, rescue services said. Britain British Prime Minister Tony Blair and Russian President Vladimir Putin pledged closer cooperation in fighting terrorism as the Russian leader ended a visit to London with an unprecedented tour of Britain's anti-terror nerve centre. Germany Germany's two main parties will meet on Thursday to thrash out who will lead a coalition government to break Germany's political deadlock following inconclusive elections, party sources said. US New Orleans residents driven into exile by hurricanes were allowed to return to all but the city's hardest-hit neighborhood. Indonesia Bali's Hindus celebrated one of their holiest days and its Muslims began the fasting month of Ramadan as police vowed to "work around the clock" to solve the weekend bombings. Spain Spain's courts may try cases of genocide and crimes against humanity committed outside the country, whatever the nationality of the victims, the country's Constitutional Court said in a ruling hailed by rights activists. Nigeria Nigerian police and army officers blamed each other Wednesday after a clash between their forces left three civilians dead and triggered an orgy of arson and looting. Spain Hundreds of would-be immigrants mounted a fresh assault on Spain's north African enclave of Melilla, and 65 of them succeeded in breaking through its defences to what they hope will be a better life. Nobel- A Frenchman and two Americans won the Nobel Chemistry Prize for breakthroughs that open the way to smarter drugs and environmentally-friendlier plastics.