Tuesday Papers: Persimmon to look at prematurely refinancing its debt -- bid news and gossip

* Persimmon to look at prematurely refinancing its debt in an attempt to avoid a possible breach of its banking covenants -- FT

* The value of cancelled merger deals for quarter is closing in on the value of deals actually completed and the two measures will draw level if the mammoth takeover of Canada's BCE falls through

* Aer Lingus board rejects Ryanair's new offer

* Ford considers Volvo sale as Detroit calls for state aid

* Sumner Redstone begins asset sale to protect empire

* Banks told to hold on to Centrica debt rather than sell it on

* Tudor freezes redemptions on flagship BVI hedge fund

* TUI shareholder El Chiaty waiting for chance to raise TUI stake

* Johnson & Johnson to buy breast implant firm Mentor for $1.1 billion

* Bank of Ireland in talks with European Investment Bank over securing funds

* Discovery Metals may delay Botswana project