At least 22 people killed by mobs and police in Johannesburg . South Africa 's police director Govindsamy Mariemuthoo said 22 people had been killed in the past week . Police arrest more than 200 people for crimes including rape and murder . Zimbabweans who have fled their own country are displaced from squatter camps . South Africa 's Archbishop Desmond Tutu condemns the attacks .
At least 22 people killed by mobs and police in Johannesburg . Police arrest more than 200 people for crimes including rape and murder . Zimbabweans who have fled their own country are displaced from squatter camps . South Africa 's Archbishop Desmond Tutu condemns the attacks .