Al-Mustaqbal parliamentary bloc on Tuesday formally nominated al-Mustaqbal Movement leader ex-PM Saad Hariri for the premier post, saying it is looking forward to “cooperation” between Hariri and newly-elected President Michel Aoun.

U.S. Secretary of State John Kerry has congratulated ex-PM Saad Hariri on “the role that he played to put an end to the presidential vacuum,” Hariri's office said on Tuesday.

Change and Reform bloc MP Alain Aoun assured that the government formation is going to be a speedy process as he stressed that Speaker Nabih Berri does not have plans for obstruction.

The MP voiced hopes that the “election of President Michel Aoun paves way for new opportunities for Lebanon. The process of forming a new government will be quick and there are negotiations in this regard,” Aoun told LBCI.

Al-Mustaqbal Movement described the oath of office taken by President Michel Aoun as 'balanced and encouraging', as they assured that the movement is content now that the vacuum at Lebanon's top post is over, al-Joumhouria daily reported on Tuesday.

“The speech was balanced, calm and encouraging. We have engaged in the settlement with a good will,” Mustaqbal sources told the daily on condition of anonymity.

Caretaker Minister of Telecommunications, Butros Harb said on Tuesday that everybody must cooperate with the newly elected president General Michel Aoun for the sake of Lebanon's best interest.

“General Michel Aoun is now president for all the Lebanese and this is how we shall deal with him; it is everybody's duty to cooperate with him for the sake of national interest,” Harb said on Twitter.

Speaker Nabih Berri lauded the oath of office taken by President Michel Aoun, as he stressed the necessity to restore the State's activity now that a president has been elected, al-Joumhouria daily reported on Tuesday.

“What I and the Lebanese have wished for has become true. Now we have a president which means that the phase of action must start,” visitors to Berri quoted him as saying.

Hizbullah will not name al-Mustaqbal Movement leader MP Saad Hariri for the post of premiership, al-Akhbar daily reported on Tuesday.

The daily pointed out to expectations and agreements that were reached before the presidential election that suggested assigning MP Hariri at the head of the government.

Lebanese Forces leader Samir Geagea on Monday hailed the oath of office of President Michel Aoun and called for the formation of a harmonious government.

Britain on Monday congratulated President Michel Aoun on his election as Lebanon's 13th president, saying it “looks forward” to cooperating with him.

President Michel Aoun received phone calls Monday from a number of heads of state who congratulated him on being elected as Lebanon's 13th president.