<P> Apart from the lowered position of the flag of Vietnam, state mourning also warrants a black ribbon 1 / 10 the width of the flag's width and equal to the length of the flag to be tied at the summit . Variants have the black ribbon wrapped around the flag itself, preventing it from being unfurled . </P> <P> The flag of Zimbabwe is flown at half - mast at the conferment of National Hero Status to the deceased . As a first - generation republic, adjudication over such a status is currently done by the politburo of the ZANU--PF . </P>

When is the national flag flown at half mast