Cheshire Constabulary/Handout via REUTERS Acquire Licensing RightsLONDON, Aug 21 (Reuters) - British nurse Lucy Letby was jailed for life on Monday, with no prospect of release, for murdering seven babies and trying to kill another six at the hospital where she worked in northwest England. Here are details about Letby, one of the country's worst serial child killers, and the case:WHO IS LUCY LETBY? WHAT IS THE LUCY LETBY CASE ABOUT? Other babies, who suddenly collapsed and did not die, recovered, with both their collapse and recovery defying usual medical norms. The police and medical experts were called in and as they looked for a cause, they eventually focused on one common factor -- Lucy Letby.

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Persons: Lucy Letby, LUCY LETBY, Countess, Chester, Prosecutors, Letby, Paul Hughes, James Goss, Nicola Evans, Evans, Hughes, Michael Holden, Christina Fincher, William James Our Organizations: Cheshire Police, Manchester Crown, Reuters, . Cheshire Constabulary, REUTERS Acquire, WHO, Chester University, Chester Hospital, Chester Hospital ., Police, Liverpool Women's Hospital, Thomson Locations: Manchester, Britain, England, Hereford