Russian government resigns as Vladimir Putin plans future

Russia's government has resigned, hours after President Vladimir Putin proposed sweeping constitutional changes that could prolong his stay in power.

PM Dmitry Medvedev said the president's proposals would significantly change Russia's balance of power.

Mr Putin asked Mr Medvedev to become deputy head of the National Security Council, which is chaired by Mr Putin.

The president later nominated tax service chief Mikhail Mishustin to replace Mr Medvedev as prime minister.

The unexpected announcement comes four years before Mr Putin's fourth term of office is due to end.

Under the existing...