Underground workers are expected to walk out, with services disrupted on wednesday and friday too. the action is separate to the ongoing night tube strikes over rotas. severe weather continues to hit eastern australia, with one town, north of sydney, preparing for what's been described as "a once—in—500—years flood". the intense rain and record—breaking floods have killed eight people. a river in the northern new south wales town of lismore has broken its banks and in queensland, the brisbane river is flooding, causing extensive damage. southend—on—sea will officially become a city...