Kabila was assassinated in 2001. His son Joseph Kabila succeeded him and called for multilateral peace talks. UN peacekeepers, MONUC, now known as MONUSCO, arrived in April 2001. In 2002 and 2003 Bemba intervened in the Central African Republic on behalf of its former president, Ange-Félix Patassé. Talks led to a peace accord under which Kabila would share power with former rebels. By June 2003 all foreign armies except those of Rwanda had pulled out of Congo. A transitional government was set up until after the election. A constitution was approved by voters, and on 30 July 2006 DRC held its first multi-party elections. These were the first free national elections since 1960, which many believed would mark the end to violence in the region. An election-result dispute between Kabila and Jean-Pierre Bemba turned into an all-out battle between their supporters in the streets of Kinshasa. MONUC took control of the city. A new election took place in October 2006, which Kabila won, and in December 2006 he was sworn in as President.