In the speech, Hariri is expected to endorse head of Change and Reform bloc MP Michel Aoun for the presidency, in the presence of his parliamentary bloc's members .
Earlier today, Hariri held talks with the Russian Ambassador to Lebanon Alexander Zasypkin at Beit al-Wasat, where he praised the efforts exerted by the former PM in terms of the presidential file and the formation of a Cabinet.
Zasypkin also called on Lebanese political leaders to reach a consensus as soon as possible, stressing that Russia will not interfere in the said file.
Separately, Hariri received US Ambassador to Lebanon Elizabeth Richard at Beit al-Wasat.