A relative consoles  the children of Mahmuda Khanam Mitu, the wife of a police superintendent who had been cracking down on militant attacks, after she was stabbed and shot to death by militants while taking her son to school   in Chittagong, Bangladesh, last Sunday. Photograph:  EPA/STR

The young man, inching past a crowded checkpoint near a truck stand in Dhaka, Bangladesh’s capital, caught the attention of an alert police officer. H(...)