Pharrell Williams, Trevor Noah and Oprah Winfrey were among those headlining the Global Citizen Festival: Mandela 100 at Johannesburg's FNB Stadium on Sunday. It says many people won tickets to Sunday's concert through charity work and petition-signing.
"The criminals were basically having a field day", said Zikhona Tshona, a reporter for the South African news organization eNCA.
Concert-goer and witness Catherine Constantinides, director of the Miss Earth SA programme, said "it was more than mugging and taking phones".
She said the muggers were even pulling knives and guns on the defenceless revellers.
Global Citizen, an advocacy group, campaigns for an end to extreme poverty and other causes.
"I heard that several people were mugged while they were waiting for transport or to call a cab", he said.
Uruguay no acepta pedido de asilo de Alan García
"Tenemos la información de que Alan García ya se retiró de la residencia del embajador de Uruguay ", señaló el titular del Ministerio de Relaciones Exteriores.
"There was one robbery that took place at Sasol garage which was reported to us and we arrested the suspect with regards to that".
When Beyoncé and hubby Jay-C stepped onto the stage at the FNB Stadium last night the Hive lost their minds.
Naidoo said police would not admit to the alleged lack of policing as the service was known for delivering safety and security at major events successfully as it had done at the 2010 FIFA World Cup and post the major tournament.
World leaders previously gathered at the stadium in 2013 for a memorial after the death of Mandela, the anti-apartheid leader who was also South Africa's first black president.
Sunday the stadium was filled by thousands attending the concert.