US Rescue crews worked frantically to save hundreds of people trapped by floodwaters from Hurricane Katrina, which devastated the US Gulf Coast states of Louisiana, Mississippi and Alabama and reportedly left dozens of people dead. Lebanon Lebanon arrested three former pro-Syrian security chiefs over the murder of ex-premier Rafiq Hariri, the first major development in the probe six months after the attack that sent shockwaves through the nation. France A blaze in a rundown building housing African immigrants in Paris -- the second in four days -- killed seven people overnight, officials said Tuesday, deepening a sense of shock over the plight of France's impoverished non-citizens. Mideast Benjamin Netanyahu was to launch a bid to oust Prime Minister Ariel Sharon from the helm of Israel's Likud party, less than a month after quitting the cabinet in protest at the Gaza Strip pullout. China-EU EU trade chief Peter Mandelson warned of shortages of clothes supplies and higher prices unless EU member states agree to measures to break a logjam of Chinese textile imports at European ports. Iraq Iraq's agitated Sunni Arabs are going all out to win the support of radical Shiite cleric Moqtada al-Sadr in defeating the newly-drafted constitution during the October referendum, a top Sunni leader. NKorea Two US Congressmen headed for North Korea in a bid to narrow the gaps separating the two sides and urge the Stalinist state to quickly return to talks on its nuclear weapons drive. Japan Prime Minister Junichiro Koizumi hit the campaign trail running, making a passionate re-election plea for voters to rally behind his plan to break up Japan's massive post office.