Japan Japan kicked off the biggest music show on Earth, the same-day series of Live 8 concerts by the world's top musicians aiming to pressure G8 leaders to eradicate African poverty. Britain As the world's biggest music spectacle burst into life to raise awareness about poverty in Africa, a mega-star line-up was poised in London to beat at the heart of 10 global concerts. Iraq At least 20 people were killed and one wounded when a suicide bomber blew himself up in Baghdad among recruits to the Iraqi security forces, an interior ministry spokesman said. US The US Senate has moved to revive a controversial weapons research program aimed at enabling the US military to conduct precision nuclear strikes against hardened underground facilities, including those suspected of storing weapons of mass destruction. Afghanistan The US military said it was continuing a search for a small US reconnaissance team in rebel-infested eastern Afghanistan while thirty-one people, most of them Taliban insurgents, have been killed in new battles in southern Afghanistan. Australia Australia and New Zealand agreed on tough new measures to pressure Zimbabwe's President Robert Mugabe to respect human rights, including a sports ban and action against him in the International Criminal Court. US Sandra Day O'Connor, the first woman appointed to the US Supreme Court and a frequent swing vote, announced her retirement, setting up a fierce political showdown for her seat. Germany German Chancellor Gerhard Schroeder lost a parliamentary confidence vote he engineered , raising the prospect of early elections that could usher in the country's first female leader. Italy Prime Minister Silvio Berlusconi demanded the United States respect Italian sovereignty when he summoned the American ambassador to explain an alleged CIA abduction of an Islamic cleric in Milan, his office said. Russia A powerful bomb killed 10 special forces soldiers and wounded at least 14 others outside a public bathhouse in Makhachkala, capital of southern Russia's volatile Dagestan republic, a senior doctor in the city said. Egypt Three Egyptian men suspected of having carried out deadly bombings on tourist resorts in the Sinai peninsula last October went on trial. Turkey A bomb explosion killed two people and wounded an unknown number of others on a passenger train in eastern Turkey, the Anatolia news agency