New technology that will replace the country's most notorious toll booths, at Dartford, has been exclusively revealed to ITV News. The company who will operate the scheme insist traffic jams will be cut but critics say the tolls are a waste of money. See our full report by Mike Pearse.
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Tuesday's weather for the west of the region
Tuesday's weather for the east of the region
Causes are thought to be climate change, fisheries, disease, and pollution.