Mazhar Abbas

The brother of Jemaah Islamiyah's alleged master planner Hambali is proving hard to crack, Pakistani intelligence said today.

'Gun Gun' Rusman Gun, the brother of alleged Jemaah Islamiyah terror group leader Hambali, was among 15 Malaysian and Indonesian students detained here for suspected terrorist offences.

Pakistan is questioning 13 Malaysian and two Indonesian students suspected of links to the Jemaah Islamiyah regional terror network, an intelligence official said.