Hariri stressed before he traveled that he would endorse head of Change and Reform bloc MP Michel Aoun for the presidency.
The ex-PM was supposed to declare his support for the endorsement of Aoun last week, but he delayed it to the following one.
If does not announce his initiative to endorse Aoun by next week, things will go more and more towards the unknown.
For more details, watch the full report in the video above.