Plane crash in South Africa injures 20: emergency services

JOHANNESBURG (Reuters) - An aircraft crashed outside the South Africa's capital Pretoria on Tuesday, injuring 20 people with at least one in a critical condition, emergency medical services ER24 said on Tuesday. ER24 posted a picture on its Twitter feed of passengers being helped out of a plane downed in a field. (Reporting by Joe Brock; Editing by Ed Stoddard)