The 2013 Lahad Datu standoff, also known as the Lahad Datu incursion or Operation Daulat, was a military conflict in Lahad Datu, Malaysia. The conflict began on 11 February, when 235 militants arrived in Lahad Datu by boat, and ended on 24 March. The militants, self proclaimed as "Royal Security Forces of the Sultanate of Sulu and North Borneo", were sent by Jamalul Kiram III, a claimant to the throne of the Sultanate of Sulu.