Key developments Tuesday in Iraq:

• Two Iraqis on the U.S.-led coalition’s 55 most-wanted list – a weapons expert nicknamed the “Missile Man” and the governor of the southern province of Basra – have surrendered, the U.S. military and Iraqi opposition sources said.

• The U.S. Army paid several thousand Baghdad policemen $20 each and promised to bring in 4,000 more of their own officers, as Iraqis at a town hall-style meeting told the U.S. administrator that security is their top priority.

• Professional thieves appear to have slipped in among the bands of looters in Iraqi museums, curators said as they urged U.S. authorities to tighten border security and stop the flow of stolen treasures.

• The agency awarding Iraq reconstruction contracts deleted its requirement for a security clearance after realizing it awarded a project to a company that lacked one, an internal report says.

• A group of Iraqis will file a war crimes case against the commander of U.S.-led forces in Iraq, Gen. Tommy Franks, their lawyer said.

• President Vladimir Putin said sanctions against Iraq should not be lifted until the threat of weapons of mass destruction is clearly eliminated.

• U.S. military officials say the United States has moved a regional air operations center to Qatar from Prince Sultan Air Base in Saudi Arabia, part of the reorganization that will that will take place in the aftermath of the Iraq war.

• U.S. Defense Secretary Donald Rumsfeld visits U.S. troops at an air base in Saudi Arabia as he nears completion of his trip through the Persian Gulf region.

• A top Iraqi Kurdish official – Barham Salih of the Patriotic Union of Kurdistan – says U.S. forces should remain in Iraq until a democratically elected government is in place in the country.

• Water supplies in southern Iraq could be undrinkable within weeks because of a shortage of purifying chlorine gas, leaving millions of people – especially children – vulnerable to disease, UNICEF says.