A young man celebrates with the national flag in Dhaka, Bangladesh [Fatima Tuj Johora/AP Photo] Volunteers control traffic on a street in Dhaka. [Fatima Tuj Johora/AP Photo] A Bangladeshi student controls the traffic. Police unions said their members had gone on strike Tuesday 'until the security of every member of the police is secured'. [Munir Uz Zaman/AFP] Families of people arrested during the