U.S. Secretary of State Rex Tillerson warned other countries Friday against using Lebanon for "proxy conflicts" following a crisis triggered by Prime Minister Saad Hariri's resignation.

Tillerson also described Hariri, who announced his resignation November 4 from Saudi Arabia, as a "strong partner" of the United States.

Lebanese will gather in a mass rally on Saturday in a solidarity stand with Prime Minister Saad Hariri who resigned over the weekend amid rumors that he is being held against his will in Saudi Arabia, LBCI reported on Friday.

LBCI said that a sit-in will be held at 2:00 pm on Saturday at Martyrs Square in Beirut to “uncover the ambiguity that has dominated the situation of President Saad Hariri since he announced his resignation and demand his return to Lebanon.”

Prime Minister Saad Hariri, who resigned at the weekend, is "free to move around", French Foreign Minister Jean-Yves Le Drian said Friday amid rumors he was being held against his will in Saudi Arabia.

"He went to Abu Dhabi the day before the President (Emmanuel) Macron's visit (on Wednesday) so we think he's free to move around," Le Drian told Europe 1 radio.

Democratic Gathering bloc leader MP Walid Jumblat on Friday stressed that there is “no alternative” for Prime Minister Saad Hariri noting that it is time for him to return back to Lebanon after an “obligatory or voluntary” stay in Saudi Arabia.

“After a week of house arrest or voluntary stay (in Saudi Arabia) it is time for Sheikh Saad's return to Lebanon in order to complete the process of construction and stability,” said Jumblat in a tweet.

Saudi Foreign Minister Adel al-Jubeir described the situation in Lebanon as “unfortunate” noting that it has to come to this result because of “Hizbullah's activities supported by Iran.”

Foreign Minister Jebran Bassil on Thursday demanded the return of Prime Minister Saad Hariri from Saudi Arabia, where he announced days ago his shock resignation.

"Today we demand the return to the nation of our Prime Minister Saad Hariri," tweeted Bassil.

Hizbullah's parliamentary bloc on Thursday called on Saudi Arabia to stay out of Lebanese affairs, saying the resignation of Prime Minister Saad Hariri, announced from Riyadh over the weekend, "has raised many questions."

In a statement issued after its weekly meeting, the bloc said Saudi Arabia was mired in crisis after the “failure” of its 2 ½-year military intervention in Yemen, which has led to a military stalemate.

The Internal Security Forces said it arrested two drug dealers on Tuesday in Metn's Mkalles area, it said in a statement released on Thursday.

The agency stated that it was on a mission to clamp down on a drug gang that works for a senior dealer nicknamed Abu Sale when it arrested the suspects, two Syrian nationals.

Education Minister Marwan Hamadeh on Thursday said the content of Prime Minister Saad Hariri's resignation text came to remind how Lebanon's national unity government used to be before “turning towards another axis in the region.”

Hizbullah leader Sayyed Hassan Nasrallah is expected to make a TV appearance on Friday marking “Martyr's Day” where he will “stress the need for self-restraint and a solution for the crisis” in the wake of Prime Minister Saad Hariri's resignation, al-Joumhouria daily reported on Thursday.

A senior Hizbullah source told the daily regarding speculations on Hariri's return to Lebanon from Saudi Arabia from where he announced his resignation, he said: “We hope, we do not expect.”