"Special Detachment 88 is investigating the case," National Police spokesperson Insp. Gen. Boy Rafli Amar said here on Thursday.
He did not know that the attacker had possible links to the Islamic State or other terrorist networks.
"We are still investigating it. We can not explain much yet about this," he pointed out.
Earlier, a 22-year-old man, identified as SA, attacked policemen with a knife and homemade bombs at Jalan Perintis Kemerdekaan, Tangerang.
The three policemen, who were injured in the incident, were identified as Tangerang Police chief Comr. Efendi, First. Insp. Bambang Haryadi and traffic police Brig. Sukardi.
Local police fired shots at the attacker, with three bullets hitting his legs. He was taken to the Kramat Jati Hospital in East Jakarta.
Police seized a knife, a dagger, two suspected pipe bombs, a black backpack, a white turban and a sticker that was stuck to a traffic police post at the scene.(WDY)
