Elderly patients are more likely to end up back in hospital if they do not receive the right support when they go home.
The Royal Voluntary Service found that patients in Leicestershire who were helped by volunteers were significantly less likely to be readmitted.
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The 37-year-old was helping authorities in the country track the criminals when his aircraft was fired upon in January.
Labour strongholds tended to remain so - apart from a major loss for the party in Dudley.
Labour suffered losses in English council elections, but the initial results were not as bad as many had expected.