In other world news, a prison riot in the Central Asian state of Kyrgyzstan has claimed the lives of a reported 20 prisoners. A prison official denied the toll, saying only five had been killed. Officials said the riots erupted after an attempt to transfer a powerful gang leader to a different prison. But officials also conceded the prisoners had been waging hunger strikes in protest of poor conditions. Kyrgyzstan is a key US ally in the region, hosting a US military base often used for flights to neighboring Afghanistan.