Dozens of supporters of the former Lebanese Prime Minister, Rafik Hariri, uncovered a giant billboard in Beirut on Thursday, just metres (yards) away from the site where Hairiri was killed in a huge bomb blast on February 14, 2005.

The sign, which reads "Time for Justice", was unveiled to coincide with the start of the trial into his assassination at the Hague.

A timer is mounted on top of the billboard to record how many days the tribunal will take.

"We hope that they will achieve the truth in this trial but there are no suspects (present), they are being tried in absentia," said Beirut Resident Mahmoud Najem.

The four main Hezbollah suspects behind the bombing are not at the Special Tribunal for Lebanon (STL) in The Netherlands, because they are yet to be arrested.

Hezbollah has denied any involvement in Hariri's assassination and has condemned the trial as a conspiracy by the US and Israel.

Hariri, who also held Saudi citizenship, was one of Lebanon's most influential Sunni leaders, with wide connections in the Arab world and international community.

Hezbollah, a Shiite group, is backed by Shiite Iran.

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1. Wide of people removing piece of cloth covering a billboard of former Lebanese Prime Minister, Rafik Hariri

2. Mid of billboard with a sign that reads (Arabic) "Time for Justice"

3. Close of clock showing number '1', counting the number of days the trial will take

4. Tilt-down from a billboard to people gathered around sign

5. Wide of people in a cafe watching TV

6. Close of TV showing blast scene

7. Mid pan of people watching TV in cafe

8. SOUNDBITE (Arabic) Mahmoud Najem, Beirut Resident:

"We hope that they will achieve the truth in this trial but there are no suspects (present), they are being tried in absentia."

9. Wide of Beirut skyline

10. Mid of cars driving down a street

11. Tilt-down of newspaper stand

12. Close of newspaper reading (Arabic) "The Tribunal" and showing a photo of Hariri

13. Mid of man looking at newspaper stand

The trial of the Hezbollah members and supporters suspected of being behind the assassination of former Lebanese Prime Minister, Rafik Hariri, will finally start this week, nine years after his murder.

The suicide truck bomb attack that killed Hariri and 22 others on February 14, 2005 was one of the most dramatic top-level assassinations the Middle East and immediately caused an increase in what were already huge sectarian divisions between Sunni and Shiite Muslims.

The United Nations-backed Special Tribunal for Lebanon will begin on Thursday on the outskirts of The Hague in the Netherlands.

However, the five key suspects behind the attack will be tried in absentia as they are still yet to be arrested.

They included four Hezbollah members indicted in 2011 with plotting the attack and another supporter charged last year. All of them remain at large.

The trial will be held under a hybrid system of international and Lebanese law.

Hezbollah has condemned the trial as a conspiracy by its archenemies the US and Israel. It's also denied any involvement in Hariri's assassination.

Despite widespread criticism of the trial, some inside Lebanon are optimistic that justice will prevail.

"We are confident that the Special Tribunal for Lebanon will conduct these proceedings and the procedure in a very fair way in order to let the Lebanese at last find out the truth," said Ibrahim Najjar, a former Lebanese Justice Minister.

Other are hoping that the trial will help bring an end to the string of political assassinations which have rocked the country since Hariri's death.

The last attack was on December 27, 2013 when former finance minster Mohammed Chatah, a Hezbollah critic and also former aide to Hariri, was killed in a car bombing in Beirut.

"We and the international community wanted the tribunal to punish the criminals and to stop political assassinations," said legislator Atef Majdalani, a member of the Future Movement bloc that is headed by Hariri's son, Saad, also a former prime minister.

"Truth will emerge, justice is coming, therefore you should either move along this road, the road of justice, or justice will get you," Majdalani added.

But many question whether justice will indeed be done while the key defendants in the case are still at large.

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1. Wide of former Lebanese Prime Minister Rafik Hariri's grave with photos of him in the background and the statute of the Special Tribunal for Lebanon next to the grave

2. Close of the UN-ratified Statute reading (Arabic) "Statute of the Special Tribunal for Lebanon"

3. Mid of Hariri grave with photo on top

4. Wide of former Lebanese Justice Minister Ibrahim Najjar walking in his house

5. SOUNDBITE (English) Ibrahim Najjar, former Lebanese Justice Minister:

"We are confident that the Special Tribunal for Lebanon will conduct these proceedings and the procedure in a very fair way in order to let the Lebanese at last find out the truth."

6. Close of Najjar's hands holding a pair of glasses

7. SOUNDBITE (English) Ibrahim Najjar, former Lebanese Justice Minister:

"I think that for the first time since 1943, Lebanon is about now to discover the truth within an independent tribunal."

8. Close of photograph of Najjar

9. SOUNDBITE (English) Ibrahim Najjar, former Lebanese Justice Minister:

"Yes, there is a fear, at least somebody, some witnesses have declared that they fear to appear before the court and to say everything they have in mind or in their knowledge. I think that there is a real fear because when you kill a witness the truth is affected, that is why I think that there are special precautions, special undertakings that have been decided by the tribunal in order to protect them."

10. Mid of traffic at the explosion site where Hariri was killed

11. Close of Hariri statue

12. Atef Majdalani, Lebanese Member of Parliament walking

13. SOUNDBITE (Arabic) Atef Majdalani, Future Movement MP:

"We and the international community wanted the tribunal to punish the criminals and to stop political assassinations, and to say that political assassinations will not solve any problems and that criminals responsible will be punished."

14. Close of photo of Majdalani and Hariri

15. SOUNDBITE (Arabic) Dr Atef Majdalani, Future Movement MP:

"Truth will emerge, justice is coming, therefore you should either move along this road, the road of justice, or justice will get you and punish the criminals among you."

FILE: AP TELEVISION

14 February, 2005

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16. Various of Hariri assassination blast site with burnt out cars and emergency services attempting to control flames

17. Wide top shot of people gathering at Martyrs' Square in Beirut