South African miner Shanduka Coal has reported that an unwarranted strike at the Graspan colliery east of Johannesburg, turned violent leaving seven people injured. The mine is partly owned by Glencore and witnessed nearly 250 protestors who seized mining equipments before engaging into a violent clash with police officials. The police restored to firing rubber bullets to quell the protests and later arrested nine striking employees.
See http://coal.energy-business-review.com/news/protests-at-graspan-colliery-in-south-africa-turn-violent-seven-injured-210313.