Tunisia's ruling Islamist Ennahda party chose Interior Minister Ali Larayedh to form the nation's new government today.
He is considered a hard-liner and has been criticised for not ending instability in the country.
His nomination is expected to make it more difficult for Ennahda to build a coalition and find consensus.
Demands to replace Mr Larayedh were actually one of the major conflicts between Ennahda and the two secular parties which were its partners in the ruling coalition.
On Tuesday, Prime Minister Hamadi Jebali resigned after his own party rejected his proposal to form an apolitical government of technocrats.
And he later emphatically declined an offer from his party to head a new coalition government.
Speaking after his resignation, Mr Jebali said he would return only if he was allowed to put together a government open to all parties.
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