Caption:Senior Sergeant Clem Armstrong (inset) tackled Taniora Peri to the ground while he was holding a machete and meat cleaver.Photo credit:Supplied / NZME via Open JusticeSenior Sergeant Clem Armstrong was struck in the head with a machete after he chose to tackle Peri to the ground rather than shoot.Supplied / NZME via Open JusticeOpen Justice
