Photo: SUPPLIED/ Marlborough District Council Picton is now cut off from the rest of the South Island, the latest town to be cut off as flooding and high river levels leaves roads impassable. The Transport Agency says Westport, Tākaka, Collingwood, Murchison, Springs Junction and Nelson are also isolated due to the current weather conditions. Here is a summary of what is happening in each area. Four areas of Marlborough evacuated Marlborough recorded its largest flooding event in history today - far bigger than the previous biggest event in 1983. Marlborough District Council declared a local state of emergency this afternoon, to ensure it has the resources to evacuate hundreds of properties.