article_snippet.sent: Despite making 30 arrests overnight, police are struggling to subdue the machete-wielding gangs who ransacked immigrant-owned shops in the slums of Johannesburg.
article_snippet.sent: : Despite making 30 arrests overnight, police have struggled to control the gangs who have torched cars and shops owned by foreign nationals .
article_snippet.sent: And armed policeman fired rubber bullets at the groups who have torched shops and cars in the poor areas of Johannesburg in recent days.
article_snippet.sent: A police spokesman said the 30 people arrested in Johannesburg overnight will be charged for 'public violence, malicious damage to property, house breaking and theft'.
article_snippet.sent: Police in Johannesburg (pictured) have been firing rubber bullets to subdue the violent gangs in Johannesburg .