A man is killed five times by a gun but we do not see the killing.
A man is electrocuted by a machine.
A woman is shot in the head by a nail gun.
A man is killed by a ceiling falling down on him. The killing was not shown at first but it was shown later and is very brief.
A woman kills a man using a pick-axe on his head. She then kills herself using the pick-axe by slashing herself behind her neck. Both of this were not shown but we could see and hear blood gushing out from her wound although it's far.
A woman is shot multiple times. This is very brief. Her body is later shown bloody.
A man stabs another man in the leg with a screwdriver.
Fighting scenes (several punches and kicks).
A man explodes.