Uproar about a hint of reduction being applied to working wage (7)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

CRY (as in “hue and cry” = uproar = shouting), around A + first letter (a hint) of R [eduction], then ON (working, as in “the lights are on”). As in “to wage a war” = to continue for a period of time.