Indonesia–Malaysia confrontation TNKU's objectives to destabilise the proposed Malaysian state. Following the TNKU's military setback in Brunei, on 20 January 1963 Indonesian Foreign Minister Subandrio announced that Indonesia would pursue a policy of "Konfrontasi" with Malaysia, reversing Indonesia's previous policy of compliance with the British proposal. This was followed by the first recorded infiltration of Indonesian forces on 12 April 1963 when a police station in Tebedu, Sarawak, was attacked. In 1961, the island of Borneo was divided into four separate states. Kalimantan, comprising four Indonesian provinces, was located in the south of the island. In the north, separated from Kalimantan by
Brunei–Malaysia border the area, specifically in Blocks L and M, in exchange for Brunei giving its claim over Limbang. His comments followed the announcement by Murphy Oil Corp which said that its production sharing contract with Petronas for two petroleum blocks which were situated within Brunei's EEZ claim, had been terminated because they were "no longer a part of Malaysia". In response, Petronas issued a statement on 1 May 2010 confirming that it had terminated its production sharing contracts with its subsidiary Petronas Carigali Sdn Bhd and Murphy Sabah Oil Co Ltd as the two production blocks were no longer Malaysian territory.