Brunei authorities have detained an Indonesian national with links to Southeast Asian militant group Jemaah Islamiyah (JI) for alleged “terrorist-related activities” in the oil-rich sultanate, a media report said on Thursday.

The suspect, identified as “Daniel, alias Awaluddin Sitorus”, was detained on February 21 and is believed to be a member of Indonesia-based JI, Brunei Times said.

JI, which is thought to be allied with Al-Qaeda, has been blamed for a number of attacks in Southeast Asia, with the deadliest being the Bali bombings of October 2002 that killed 202 people.

Awaluddin is suspected of plotting to help militants enter and use tiny Brunei — which shares the huge island of Borneo with Malaysia and Indonesia — as a “safe haven” and to channel financing to militants abroad, the newspaper said, citing Brunei security officials.