Barclays has pledged to respond to rumours linking it to a takeover bid for Dutch-bank ABN first thing tomorrow morning.
Reports this weekend said that Britain's third-largest bank was eyeing ABN in a potential £80 billion deal.
And a brief statement from Barclays this morning said: "Barclays notes the recent press speculation in relation to ABN.
"An announcement clarifying the position will be made before open of business tomorrow."
Other reports have suggested that more interested parties may emerge if Barclays signals its intention to table a bid.
Shares at ABN, which is the Netherlands' biggest bank, rose eight per cent on early morning trading today.
The group has faced accusations of underperformance in the last few years, but its retail banking interests in Asia are thought to be specifically interesting Barclays.
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