Vulnerable seniors are being locked in police cells when Britain's under-staffed National Health Service cannot cope with them. A shocking official report reveals that a 90-year-old dementia sufferer was put in custody after he fought with his carers. In another desperate case, a 75-year-old with multiple health problems was detained even against the advice of his doctor. The examples were uncovered by watchdogs investigating police treatment of the elderly, the mentally ill and children. Read it all