By Marcus Leach
Rupert Murdoch is coming under increasing pressure to drop his bid to buy broadcaster BSkyB.
The UK's main political parties are set to unite in a bid to prevent Murdoch from making a bid for BSkyB whilst the investigation into phone hacking at News of the World is ongoing.
Both the Tories and Liberal Democrats are expected to back the Labour motion as they look to increase the pressure on Murdoch.
Prime Minister David Cameron will also look to outline a remit of a public inquiry into hacking at the Commons.
Labour said unanimous support for its parliamentary motion would send a 'clear message' to Mr Murdoch.
Mr Cameron, on Tuesday, met with Deputy Prime Minister Nick Clegg and Ed Miliband, the Labour leader, to discuss the current phone hacking scandal.
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