Quartet urges settlement freeze The international Quartet of Mid-East peace mediators urges Israel to freeze settlement activity in occupied territories. Taliban arrests halt UN contacts A former UN envoy to Afghanistan says Pakistan's arrest of Taliban leaders halted a channel of secret UN contact. Pope to sign letter on sex abuse Pope Benedict is to sign a letter to the Catholics of Ireland on how to address the sexual abuse of children by priests. Rio Tinto announces Guinea deal Rio Tinto says it has signed a deal with China to develop a massive iron ore project in Guinea. Srebrenica gay theory irks Dutch Dutch officials reject a US general's claim that troops failed at Srebrenica because of poor morale over gay soldiers.