Kolkata, January 9: A city court Friday extended, by five days, the NIA custody of three accused in the sensatiol Burdwan blast case. Sahanur Alam, Rafiqul Islam and Safiqul Islam, who were earlier bbed by the tiol Investigation Agency (NIA) from Assam, were presented before the chief judge of Bankshall court, Mohammad Mumtaz Khan who remanded them to NIA custody till January 13. The accidental blast took place inside a house in Khagragarh in Burdwan on October 2 killing two Jamaat–ul–Mujahideen, Bangladesh (JMB) militants and injuring another. Several people, mostly Bangladeshi tiols, have been arrested from India and Bangladesh in connection with the blast. (IANS)