Lebanon's Foreign Minister Gebran Bassil said on Friday a crisis triggered by the resignation of its prime minister was part of an "attempt to create chaos in the region", local television stations reported.
Lebanese President Michel Aoun said earlier this week that Hariri, who abruptly announced his resignation while in Saudi Arabia on November 4, was being held hostage by Riyadh.
President Emmanuel Macron has invited Lebanon's Saad al-Hariri and his family to France, the French presidency said in a statement.
Lebanese Foreign Minister Gebran Bassil said on Wednesday that Lebanon will continue taking steps in "a brotherly way" to resolve the issue of its prime minister, Saad al-Hariri, who resigned while in Saudi Arabia and has yet to return.
Lebanese President Michel Aoun said on Sunday that Saad al-Hariri's freedom was being restricted in Riyadh, the first time the Lebanese government has publicly declared its belief that Saudi Arabia is holding its prime minister against his will.
A country long divided by sectarian conflicts, Lebanon has found a rare point of unity since Saad al-Hariri's shock resignation as prime minister: Lebanese of all stripes want him to come back from Saudi Arabia and to continue his work as premier.
Lebanon's president called on Saudi Arabia on Saturday to clarify why Lebanese Prime Minister Saad al-Hariri could not leave the kingdom and return home.
France's foreign ministry said on Friday it wanted Lebanon's Saad al-Hariri to be free of his movements and fully able to play an essential role in his country.
Walid Jumblatt said in a Twitter post that after a week of absence from Lebanon, "be it forced or voluntary", it was "time for Sheikh Saad to return". "By the way, there is no alternative to him," he added.
Saad al-Hariri's resignation stunned Beirut's political establishment, brought down the coalition government and sparked a new political crisis.
Lebanon's president will not accept the resignation of Prime Minister Saad al-Hariri until he returns to Lebanon, palace sources said on Sunday, delaying for now politically difficult consultations on his successor.