JAKARTA: Indonesian police have arrested three people suspected to be plotting an attack in the capital with a high-explosive "rice-cooker" bomb.

"Two men and a woman are undergoing intensive investigation to get further information on the network and the possibility of other explosives," National Police spokesman Boy Rafli Amar told TVOne news channel in a live broadcast.

The trio were nabbed in a raid on a rented house on Saturday in Bintara Jaya area in Bekasi, outside Jakarta.

"It is still being investigated. What's clear, the information we can convey is, their target is a vital object," he added.

Police have also found a bomb made up of "high-explosive" materials contained in a rice cooker, adding: "The casing is a rice cooker. The content is dangerous."

The trio, which includes a couple, are linked to Jamaah Anshar Daulah Khilafah Nusantara (JAKDN) militant group, which which has pledged its allegiance to the Islamic State (IS). The group is also connected to several terror incidents including an attack on a local police headquarters in Solo in July. - The Straits Times/Asia News Network