Description:On trial for Indonesia's deadliest bomb attacks - militant Umar Patek walks into a Jakarta courtroom. Patek is accused of involvement in the 2002 Bali nightclub bombings which left more than 200 dead, and mixing chemicals for Christmas Eve bomb attacks two years earlier. His lawyers told the court that evidence showed he was not involved in planning the Bali bombs. Patek has admitted involvement in building the bombs but denies participating in planning the attack.(1:09)