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Yet another suspected terrorist attack occurred in Indonesia this morning - the first since the explosions in five sites in East Java on Sunday and Monday - this time the target being the Riau Provincial Police headquarters in the Riau capital of Pekanbaru.
Five people died in the attack, including the four suspected militants and a police officer who was hit by the vehicle.
"Four of them got out of the vehicle and tried to fight a group of police with samurai swords", Nandan, who uses only one name, said in a live interview with local television station TV One.
Local police initially said they had killed three people and wounded another. They are now pursuing a militant who had escaped.
TV footage showed one man lying on the ground with a long sword next to his body.
Riau Provincial Police Spokesperson AKBP Sunarto said two police officers were injured.
Media said one attacker may have had a bomb strapped to his body but police did not immediately confirm the reports.
The attacks are the worst in the world's biggest Muslim-majority country since the bombing of tourist-packed restaurants in Bali in 2005.
Authorities in Indonesia say a police outpost on Sumatra Island was attacked Wednesday.
In a message carried on its Amaq news agency, Islamic State has claimed responsibility for the attacks in Surabaya.
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