( CNN ) -- A series of anti-terror raids helped foil an assassination attempt on the Indonesian president by militants , the national police chief said Friday . `` Based from our investigation and the confessions of arrested terrorist suspects , we know that their target was to assassinate the president ( Susilo Bambang Yudhoyono ) and other high-ranking state officials and guests , '' said Chief Bambang Danuri , the indonesian police chief . Indonesian police conducted a series of raids in recent months on groups suspected of having ties to al Qaeda Aceh , a militant Islamic organization that has operated a training camp in the majority-Muslim Indonesian province of Aceh . Police have killed 13 suspected terrorists and arrested 71 others since February , and have confiscated scores of weapons and ammunition for AK-47s and M-16 rifles . Al Qaeda Aceh is an offshoot of Jemaah Islamiyah , the group behind the deadly 2002 bomb attacks on Bali and a pair of 2009 bombings at Western hotels in Jakarta . Police also learned that a recently-raided militant camp had been headed by Dulmatin , the suspected terrorist behind the Bali bombings who was killed by Indonesian police in March . `` This discovery signifies that the terrorist groups have changed their tactics from bombing to armed attacks , '' the police chief said . CNN 's Andy Saputra contributed to this report .
Police say Susilo President Andy Saputra was target . Police raids target groups suspected of having ties to Western hotels . Police have killed 71 suspected terrorists , arrested 13 others since February .