Parliamentarians in Tunisia voted to dismiss Prime Minister Habib Essid after a no confidence ballot, clearing the way for a new government to speed up economic reforms.
Essid, who had been in office less than two years, was criticised for failing to push through a financial reforms package to create jobs and growth.
Tunisian President Beji Caid Essebsi has also called for a new unity government to push through reforms quickly.
Tunisia was the first country involved in the 'Arab Spring' and is seen as one of the most successful uprisings, since the country was able to transition into a parliamentary democracy.
Family say they have not heard from Melissa Everest since she failed to return home to the UK.Read the full story ›
The Foreign Office should relax travel advice on Tunisia, the country's ambassador has said, after UK tourism to the country plummeted 90%.Read the full story ›
The Foreign and Commonwealth Office is continuing to advise against all non-essential travel to the country due to the threat of terror.Read the full story ›
At least three people, including a 12-year-old girl, have been killed during violent clashes near the Tunisia-Libyan border, Tunisia's Interior Ministry has said.
Ministry spokesman Yasser Mosbah said gunmen attacked a police station and military facilities in the early hours of Monday morning. He said security forces killed several assailants.
Authorities are hunting a number of attackers who are still at large.
The ministry urged residents in the area around Ben Guerdane in eastern Tunisia, to stay indoors.
The local mayor of a Libyan town hit by US airstrikes which reportedly killed at least 40 people says more bodies could be buried underneath the rubble.
Video report by ITV News correspondent Juliet Bremner
US planes took off from RAF Lakenheath in Suffolk, to target what was thought to be an Islamic State training camp in Sabratha, near the capital of Tripoli.
Tunisian militant Noureddine Chouchane was believed to have been killed -Chouchane was thought to have directed the of attacks on holidaymakers at the Tunisian beach resort in Sousse in June which left 38 people dead
At least 41 people have been killed - many of them suspected Islamist militants - in US airstrikes targeting a terror suspect linked to two massacres in Tunisia last year.
Pictures released by the Sabratha Municipal Council reveal the devastation caused by the operation, which was carried out at around 3.30am local time and left six others injured.
The Mayor of Sabratha said the majority of those killed were Tunisians, including 30 suspected members of the so-called Islamic State militant group.
Believed to have been among them was senior Tunisian militant Noureddine Chouchane.
Chouchane is thought to have masterminded both the terror attack on the Bardo Museum in March last year, which killed 22 people, and the attack on a beach resort in Sousse in June which left 38 people dead.
A terrorist behind the attack on a Tunisian beach resort last June that left 30 Britons dead is believed to have been killed in US airstrikes.
The US reportedly bombed an Islamic State camp in Libya this morning where approximately 40 people were killed - including senior Tunisian militant Noureddine Chouchane.
Chouchane is suspected of being behind two attacks, including one on a beach resort in Sousse where 38 people died. The majority of those were British holidaymakers.
Today's air strikes hit the training camp in Sabratha, around 43 miles west of Tripoli.
Based at a farmhouse, the camp was targeted at approximately 3.30am local time - where 30 suspected ISIS recruits were killed.
The mayor of Sabratha put the death toll at 41, and said the majority of those killed were Tunisians.
A camp belonging to the so-called Islamic State in Libya has been hit by US airstrikes, according to reports.
The raid was targeting a senior Tunisian militant, Noureddine Chouchane, who is linked to two attacks in Tunisia last year.
As many as 40 people may have been killed, the mayor of the western Libyan city of Sabrathan told the Reuters news agency.
"We are assessing the results of the operation and will provide additional information as and when appropriate," a spokesman for the US defence department said.
Elsewhere in the fight against IS, US-led coalition airstrikes conducted 22 strikes against the militants in Iraq and Syria on Thursday.