Mr Davidson is one of two Westminster MPs seeking the new post of Deputy Leader of the Scottish Labour Party, under a new constitution, expected to be agreed at a special conference in Glasgow this weekend.

BBC: Statement expected on Scottish affairs committee row

In 1990, King Birendra of Nepal proclaimed a new constitution that restored multi-party democracy to the Himalayan kingdom and stripped him of his absolute power.

CNN: Saturday,

Where previously he had a free hand in selecting a prime minister, under the new constitution he has to nominate someone from the largest party in parliament.

BBC: Arab uprising: Country by country - Morocco