DURBAN, South Africa: South Africa, the continent’s most industrialised country, has largely escaped the tropical cyclones that regularly hit its neighbours. But last week, storms pummelled the east coast city of Durban, triggering heavy floods and landslides that killed more than 440. Here are the main questions behind the floods and devastation. – Did climate change play a role – Meteorologists say the storms were not tropical. Instead, the rains were part of a normal South African weather system called a “cut-off low” which can bring heavy rain and cold weather. “Cut-off low pressure system…