UK Stocks-Factors to watch on April 17

April 17 (Reuters) - Britain's FTSE 100 index is seen opening 14 points higher at 7,212 on Tuesday, according to financial bookmakers. * ANGLO AMERICAN: Anglo American Plc said on Monday it was giving 30 days' leave to 766 workers at its suspended Minas-Rio mine in Brazil as of Tuesday. * BRITAIN ACCOUNTS: Britain has launched a "root and branch" review of its audit watchdog after corporate scandals raised questions about its ability to police how accountants check the books of