Indonesian authorities have arrested two more members of the Islamic militant group Jemaah Islamiyah. A senior police official in Jakarta says the arrests may help police to track down Noordin Mohammad Top, one of the most senior members of the Jemaah Islamiah who is still on the run.

He says the two men were arrested in Malaysia more than two weeks ago. They and have been transferred to a detention centre in Jakarta. Police say one of them is a leader in JI’s central board othe other is alleged to have been involved in attacks in Sulawesi and Java.