Stock markets on both sides of the Irish Sea are bracing for a week of high political drama at Westminster, which may decide whether Britain is set to crash out of the EU at the end of October.

Irish shares and Government bond yields fell today as a political manoeuvre by UK prime minister Boris Johnson was seen as boosting the chances of a crash-out Brexit at Halloween and an early British election.

The ECB could be on the verge of unleashing its biggest ‘bazooka’ yet in an effort to contain the eurozone debt crisis.