Deadly bridge collapse in Johannesburg leaves cars crushed and people trapped

Temporary structure held up by scaffolding fell down during construction of pedestrian and cycling overpass A temporary bridge that was part of a construction project collapsed on to one of South Africa's busiest highways on Wednesday, killing two people and injuring 21 others, South African media reported. Related: Johannesburg's Ponte City: 'the tallest and grandest urban slum in the world' - a history of cities in 50 buildings, day 33