"Three people were arrested, and one woman was taken into custody," Head of Public Relations Division of the National Police Headquarters, Inspector General of Police Setyo Wasisto, stated in Jakarta on Wednesday.
Wasisto mentioned that the three suspected terrorists were identified by their initials as MC, G, and A, while the woman has not been identified.
Wasisto noted that the joint team raided a rented house with five people who were running a jeans sewing business.
In addition, police confiscated a motorbike, mobile phones, and a note document as evidence.
Using information from the investigation, the officers then raided two locations in Duta Bintaro and Kunciran Mas Permai Tangerang.
"This is JAD (Jemaah Ansharut Daulah extremist group) in Jakarta," Wasisto explained.
The Densus 88 also arrested two suspected terrorists in the South Sumatra provincial capital of Palembang on Monday evening.
The suspected terrorists, identified by their initials as AA (39) and HK (38), are residents of Pekanbaru, capital of Riau province, Chief of the South Sumatra Provincial Police, Inspector General Zulkarnain Adinegara, remarked on Monday.
In the meantime, the Densus 88 anti-terror squad had until Tuesday arrested 13 terror suspects in East Java.
East Java Regional Police Spokesman Senior Commissioner, Frans Barung Mangera, told reporters in Surabaya on Tuesday that police had made four arrests on Tuesday and nine arrests on Monday.
"The police arrested one in Pandaan, Pasuruan District; two in Malang; and another one in Surabaya," he added.
He noted that it was a temporary data and could increase any time. There are a number of cells that would be targeted based on the law.
"The figure excluded four suspected terrorists who were shot dead," the East Java Regional Police Spokesman revealed.
Mangera added that the bodies of the suicide bombers in Bhayangkara hospital were still unclaimed. "We hope that the relatives of the dead terrorists would claim the bodies soon. If no one comes, the police will bury them," he explained.
A total of 10 suicide bomb attackers died during the attacks on three churches in Surabaya on Sunday and the Surabaya Police Headquarters on Monday.
The bombings also killed 12 people and wounded 43.