shah porir dwip bangladesh cry rohingya mother yellow headscarf cradle five-week-old infant son die boat capsize one powerful reuters image muslim refugees flee violence myanmar hamida husband nasir ahmed two young sons among 18 refugees small fish boat cross bay bengal bangladesh village shah porir dwip near shore boat capsize toss murky water reuters photographer mohammad ponir hossain take picture exhaust refugees beach hear autorickshaw driver shout boat capsize rush spot find people cry dead body child ponir say click photo essay reut.rs/2wfjour take picture hamida cradle tiny pale body child abdul masood appear die survivors scramble crash wave shore another picture show anguish face nasir ahmed carry son away crowd couple son survive accident around 400,000 rohingya arrive bangladesh less three weeks people still arrive land sea attack rohingya militants spark fierce counteroffensive myanmar army senior unite nations officials describe violence textbook example ethnic cleanse hamida family among tens thousands rohingya embark rickety fleet small wooden fish boat cross myanmar coast southern bangladesh journey take five hours desperate risk live escape myanmar picture show go ponir say rohingya grieve baby die border cross