Iraq Two Iraqis abducted along with two Italian female aid workers in Baghdad have been freed along with the women, Italian Prime Minister Silvio Berlusconi said. Britain World oil prices surged into new record territory above 50 dollars a barrel as traders took fright at a multitude of supply threats, including unrest in Nigeria and recent hurricanes. Britain Prime Minister Tony Blair has refused to apologise for the Iraq war, as he linked the future of Iraq to Britain's national security. Ireland A New York-bound Olympic Airlines plane has landed at Shannon airport in western Ireland after it was diverted there following a bomb alert, an Irish airport authority spokeswoman said. Thailand Thailand has confirmed its tenth death from bird flu and the first probable case of human-to-human infection in an outbreak that has swept Asia this year. Nigeria An armed group in Nigeria accused of trafficking in illegally extracted crude has threatened to attack international oil facilities and personnel in the Niger Delta, a regional government spokesman said. US US President George W. Bush enjoyed a sturdy lead over Democrat John Kerry according to a new poll, raising the stakes for their first debate two days before that face-to-face confrontation. Sudan Representatives of the Sudanese government and the southern rebel Sudan People's Liberation Movement have urged the international community to provide 300 million dollars (244 million euros) in aid to cover urgent needs. Mideast An Arab Israeli working for CNN television who had been kidnapped by Palestinian militants in the Gaza Strip has been released, a Palestinian security official told AFP. Argentina A 15-year-old student has opened fire in his high school in a town south of Argentina's capital, killing four students and injuring five others, authorities said.