While it is general protocol that Hu must have at least implicitly approved the use of force against protesters , whether he actually gave orders throughout 5 March is a matter of debate .
Hu 's role in the demonstrations and rioting on 5 March was never made clear .
While it is general protocol that Hu must have at least implicitly approved the use of force against protesters , whether Hu actually gave orders throughout 5 March is a matter of debate .
Hu 's role in the demonstrations and rioting on 5 March was never made clear .