Under the revised policy, officers from the Sikh faith will be allowed to have beards that extend up to one-half inch from the face. The officers may also wear blue turbans -- with a hat shield it affixed to it -- in place of the traditional police cap.
The suspect, a 29-year-old man identified as Saifullo Saipov, of Uzbek descent, was shot in the stomach before being arrested.
Akayed Ullah had no criminal record back home, a police official said, even as Dhaka vowed "zero tolerance" against terrorism.