Italy’s bond markets were rocked by the Brexit vote amid reports Rome is considering injecting capital into some lenders battered by a fresh selloff.

Alexis Tsipras’s claim that a financial collapse in Greece would drag down the rest of the eurozone is looking increasingly like a hollow threat.

European Central Bank president Mario Draghi pledged yesterday to do whatever was necessary to protect the eurozone from collapse, sending a strong signal that inflated Spanish and Italian borrowing costs were in his sights.