A petition, started on Change.org by user Agent Of Change last week, has so far garnered more than 580 000 signatures.
Judge Navi Pillay, the former UN High Commissioner for Human Rights, said important policies should not be made while emotions ran high.
“When things like this happen, people get upset and start making dangerous and outrageous calls. The same calls were made in India when women were raped on a bus
“The thing about the death penalty is that it is morally wrong. People are calling for a perpetrator to be killed because they killed another human being It’s inhumane and degrading.”