BE UP IN ARMS ABOUT/OVER SOMETHING

BE VERY ANGRY ABOUT SOMETHING

EXAMPLE:

North Bay residents up in arms over TransCanada plan to switch crude oil for gas in local pipeline.

http://www.thestar.com/news/world/2014/09/28/north_bay_residents_up_in_arms_over_transcanada_plan_to_switch_crude_oil_for_gas_in_local_pipeline.html