"AR was arrested at around 8.15am for allegedly being involved in the can bomb case," West Java police spokesman Senior Commissioner Yusri Yunus said here on Thursday.
He said AR was caught on Jalan Bandir in the village of Manggunghardjo, Ciparay, Bandung district.
AR is believed to have helped make the can bomb that had exploded before it was intentionally to be exploded in Bandung city.
"AR is the relative of AW who has been arrested earlier in Buahbatu," he said.
The police have also arrested AAS and K earlier revealing a new terrorist cell following the explosion of a can bomb at AWs house in Buahbatu.
AAS was arrested in Cibiru, Bandung city while K in Tasikmalaya, West Java.
All of them planned to explode bombs in three different locations in the city of Bandung which is the capital of West Java province.(*)