The party of Italy’s former Prime Minister Silvio Berlusconi says all five of its ministers are resigning from the shaky coalition government.

The development follows weeks of worsening relations between his party and Prime Minister Enrico Letta’s centre-left grouping.

Mr Berlusconi had already threatened to withdraw his ministers if he is expelled from the Senate for tax fraud.

The crisis could lead to fresh elections amid economic problems.@BBCBreaking: Ministers from ex-PM Silvio Berlusconi’s party are resigning from Italy’s shaky coalition government -spokesman http://t.co/wiWa5KO5xy