Bank of England urged to extend emergency bond-buying scheme

After Bank expands action to stave off fire sale' in wake of mini-budget, investors ask for longer expiry date

• Analysis: Bank of England lifeboat in choppy waters

The Bank of England is facing growing calls to extend its emergency intervention in financial markets triggered by Kwasi Kwarteng's mini-budget, amid concerns over the impact on struggling pension funds.

Threadneedle Street announced an unexpected move to expand its bond-buying programme on Tuesday, saying further action was required to stave off a fire sale" in the UK government bond market.