Kenya has adopted a new constitution, more than three weeks after it was overwhelmingly approved in a national referendum. Tens of thousands of people watched as President Mwai Kibaki signed the document into law at a large ceremony in the capital, Nairobi. Sudanese President Omar al-Bashir was present at the event, despite being wanted for war crimes. The new constitution will bring a more decentralised political system, which will limit the president's powers and replace corrupt provincial governments with local counties. President Kibaki won a landslide victory in 2002 promising to change the constitution within 100 days of taking office. In 2005, he held a referendum but it failed to pass