Papua New Guinea Prime Minister Peter O'Neill has announced a renewed push for the death penalty, and life sentences for rape, saying that "draconian" penalties were needed to tackle violent crime.
O'Neill said the impoverished Pacific nation would also repeal its controversial Sorcery Act, meaning any black magic killing would be treated as murder, while unveiling tough new punishments for drug and alcohol offences.
It follows a spate of horrific crimes against women including a beheading and the burning alive of a mother accused of witchcraft, as well as the gang rape of two foreigners last month, drawing international condemnation.
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"We are serious about addressing this issue. We will regulate and pass laws that some people in our country may find draconian. But the people are demanding it."
The PNG government has received more than 100 petitions from human rights and other groups across the globe calling for urgent action on the spike in violence this year.
In February a 20-year-old mother accused of witchcraft was stripped and burned alive in front of a crowd at a village market and an elderly woman was beheaded last month after being accused of black magic.
Also in April, an Australian was murdered and his friend sexually assaulted by a group of men, followed barely a week later by the ambush of the US researcher, her husband and their guide on a wilderness track.
Central to the law and order push is a drive to revive the death penalty, which is currently in place for treason, piracy and wilful murder but has not been used since 1954, when PNG last carried out an execution.
O'Neill said the government would "strengthen it further" by reviewing existing laws to allow for its "full implementation", though it was not clear whether the scope of offences punishable by death would be broadened.
All rapes including those carried out in gangs would attract a penalty of life in prison without parole, with a new maximum 20-year jail term for making home-brew liquor and a ban on selling alcohol between 2:00 am and noon.
Marijuana and other drug cultivation would be punishable by 50 years in prison; consumption of drugs would have a maximum 10-year jail term.