New Delhi: The judicial custody of suspected terrorists Wasim Akram Malik and Amir Abbas Dev, arrested for their alleged role in the September 7 blast outside the Delhi High Court premises, was on Monday extended by a court here.

District Judge H S Sharma extended the judicial custody of Dev till January 16 while that of Malik till January 17 after National Investigation Agency (NIA) said they want the accused to be produced in the court on separate days, court sources said.

Both the accused were produced in the court during an in-chamber hearing after the expiry of their judicial custody tenure.

According to court sources, NIA told the court that the probe into the blast, which killed 15 people and injured 70, was still going on.

The investigating agency has said Malik is a 'key link' in the conspiracy behind the blast outside gate number 5 of the High Court.