Saudi Muslim world leaders joined ordinary Saudis to bid farewell to King Fahd at an austere funeral ceremony for the man who ruled the oil powerhouse for more than two decades. Sudan Mourners paid tribute to Sudan's John Garang as his successor vowed to pursue the rebel-turned-statesman's peace drive and urged restraint as riots flared again in the capital Khartoum. Iran The European Union and United States issued sharp warnings to Iran over its threatened violation of a deal suspending its nuclear activities, saying it could trigger unspecified consequences from the UN Security Council. UN John Bolton presented his credentials to UN chief Kofi Annan on his first full day as the new US envoy here amid lingering questions about his effectiveness. US Discovery astronauts preparing to carry out a risky repair to the underside of the shuttle admitted they are nervous about the operation. NKorea North Korea said no progress had been made in fiery talks over the dismantlement of its nuclear weapons programs after more than a week of negotiations, but committed to another day of meetings. Britain Britain vowed to get a key suspect in the London bombings extradited from Italy "as quickly as we can", as it sought to allay fears in the Muslim community about police anti-terrorist operations. Mideast Thousands of settlers and their supporters were gathering in southern Israel for a giant rally in a last-ditch protest against the imminent pullout from the Gaza Strip. China State-owned Chinese oil group CNOOC said it was withdrawing its bid to acquire US oil company Unocal for 18.5 billion dollars in cash, citing "unprecedented political opposition" from Washington. US US President George W. Bush signed a hotly contested US trade pact with Central America and the Dominican Republic into law, predicting the move would bolster democracy in Latin America. Zimbabwe Zimbabwean opposition leader Morgan Tsvangirai was cleared of treason charges carrying a possible death sentence, which he described as a desperate ploy by the government to sideline its bitterest critic.