We advise against all travel to central, southern and western Mindanao, and the Sulu archipelago including Basilan, Tawi-Tawi and Jolo, where there are ongoing military and police operations against insurgent groups. On 29 March 2006, an explosion on a passenger bus in Digos City, Mindanao injured at least 22 people. On 27 March 2006, an explosive device was detonated in Jolo Town killing nine people and injuring at least 20. You should take particular care and maintain high levels of vigilance when travelling to the rest of Mindanao, including Davao.