And now to the South African capital or for Pretoria, four people have been killed and over 600 injured after two passenger trains crashed into each other during the morning rush hour. A local emergency services spokesperson said 11 people were in critical condition is set the number of her casualties could rise as some people were still trapped in the wreckage. A country's transport minister said that the accident was caused by signal problems which he blamed on cable theft. The country has seen a series of train accidents in recent months. In October, over 300 people were injured after stationary train was hit by a packed one traveling from a Johannesburg to Pretoria.