The Week: City news - O'Brien ups stake again

Denis O'Brien, the Irish business tycoon, has upped his stake in Independent News & Media for the second time in two weeks, from 22.67 to 23.61 per cent, close to the 25 per cent he needs to have a major influence on the running of the company. O'Brien is an outspoken critic of the company's board of directors and has called for the sale of the loss-making Independent and Independent on Sunday.