Emails between Tucker and Diamond, released ahead of the deputy governor's appearance before Treasury committee, show the level of detail discussed over bank's finances.
Ed Miliband, Ed Balls, George Osborne, Vince Cable and David Cameron have all spoken out about the banking industry and the need for reform since the Libor scandal broke.
Deputy BoE governor Paul Tucker to be grilled over conversations with former Barclays chief executive Bob Diamond.
Paul Tucker, Bank of England deputy governor, faces a showdown with MPs over his role in the Barclays Libor scandal - IBTimes UK explores the key questions.
Minutes from the Bank of England's Financial Policy Committee reveal fears over the scale of banks' exposure to global risks, such as the eurozone crisis.
One of the major things learned from Treasury Select Committee grilling of Barclays' newly resigned CEO Bob Diamond, is that they probably won't be up to the task of leading a parliamentary-led inquiry.
Mervyn King and the Bank of England's rate-setters will plough an extra £50bn into the economy through monetary stimulus, in another bid to pull the UK out of recession.
Bank of England adds £50bn additional firepower to asset purchase programme
Bob Diamond, ex-boss of Barclays Bank, tells MPs he only recently found out about Libor scandal - but the bank's annual report for 2011 suggests otherwise.
Barclays Libor Scandal: IBTimes UK finds that former Labour ministers, BoE chiefs and some of the largest banks bosses will be in the docks
Slowing growth in UK's service sector, the dominant part of British economy, signals recession may extend into another quarter.
Ex-Barclays CEO Bob Diamond faces Treasury select committee MPs in tough three-hour grilling.
"Wink and Nod" revelations in Barclays Libor rigging scandal make Bank of England Governor's position untenable.
Former financial titan due to appear before Treasury select committee to give evidence on Libor scandal.
Deputy Governor Paul Tucker named in Barclays memo from Bob Diamond to John Varley
Chancellor George Osborne says austerity is why gilt yields have hit record lows, but IBTimes UK explores the bigger reasons for Britain's low cost of borrowing.
Rate fixing scandal provides cover for politicians and policy makers alike
June purchasing managers index data shows that UK manufacturing output did not recover out of a contraction from its three-year-low in May.
His resignation comes after the bank was fined £290 million for trying to tweak Libor.
The IBTimes UK investigates the broken trust between banks and customers in the wake of a the industry's "septimana horribilis"
The Bank of England's financial policy committee recommends in a report that UK banks use their cash reserves to continue lending to the wider economy if the recession bites harder.
Britain's economy contracted by 0.4 percent in the final quarter of 2011, worse than previously thought, according to revised Office for National Statistics data.