What led to the explosion of a massive warehouse of flammable material, which destroyed the city of Beirut, Lebanon

A hard look at the lack of planning, oversight and accountability surrounding the Love Parade disaster in Duisburg, Germany.

A transport truck catches fire in the Mont Blanc tunnel, spreading an inferno that trapped dozens. Could it have been prevented and what has changed?

The whole truth about the downing of MH17 over Ukraine: who, how and why. Are passengers safe as they fly unknowingly over conflict zones and what can be done to improve air space safety?

A scandalous miscarriage of justice in the case of the freight train carrying GPL that derailed and exploded in the coastal Tuscan town of Viareggio. How safe are Europe's railways?

New details shed more light on what went wrong the day an Italian Aerobatics Flight Team crashed into a crowd gathered to watch an air show in Germany.