Hizbullah chief Sayyed Hassan Nasrallah criticized on Monday the state for failing to address the networks that are planting booby-trapped cars in Lebanon.

He said: “The state is aware of the activity of these networks, but is not lifting a finger to stop them.”

A mortar round hit the compound of Moscow's embassy in the Syrian capital Damascus on Sunday, injuring three people, the Russian foreign ministry said.

"On September 22 as a result of shelling by the rebels of the Damascus neighborhood of Mazzeh, one of the shells exploded on the territory of the Russian Embassy in Syria," the ministry said in a statement.

Syrian rebels, including jihadists linked to Al-Qaida, have taken control of the historic Christian town of Maalula, north of Damascus, a watchdog and a resident said on Sunday.

Maalula is home to around 5,000 residents and is of strategic importance for the rebels, who are trying to tighten their grip around the capital Damascus, adding a northern post to existing bases in the south and west of the city.

A U.S. congressional panel posted videos of Syrian victims Saturday, many of them children, as the White House presses its case for a strike against Damascus.

The 13 graphic videos were shown to members of the Senate Intelligence Committee on Thursday, according to the panel's website, which says they "explicitly claim to show victims of a chemical or poison gas attack."

Al-Qaida-linked Syrian jihadist group Al-Nusra Front on Sunday vowed revenge strikes against villages from President Bashar Assad's community over claims his forces used chemical weapons.

Syria's main opposition body, the National Coalition, has accused Assad's forces of "massacring" more than 1,300 people in chemical weapons attacks on the outskirts of Damascus on Wednesday, which his regime has denied.

Iran on Thursday expressed that Hizbullah's involvement in the Syrian war is a defense against “the enemies' plans,” stressing that the party does not interfere in “sectarian conflicts.”

"All the Islamic world respects and values Hizbullah for its fight against the enemies of Islam, particularly against the Zionists,” Iranian foreign ministry's spokesperson Abbas Araqji said, explaining that the party's “procedures in defending Syria aim at facing the enemies' plans.”

Dozens of demonstrators on Tuesday held a sit-in in front of the Lebanese embassy in Kuwait to protest Hizbullah's interference in the Syrian crisis.

"The protesters burned a picture of Hizbullah chief Sayyed Hasan Nasrallah,” Naharnet correspondent in Kuwait reported, adding that they demanded placing the party on the list of terrorist organizations.

Germany announced on Tuesday that it will work on making the lives of a large number of Hizbullah members living in the country “difficult.”

German Interior Minister Hans-Peter Friedrich said a "significant" number of people belonging to Hizbullah were living in Germany but that they behaved in a "relatively moderate way."

Gunmen deployed on Tuesday in the Bekaa town of Arsal after its municipality announced the death of a town resident in “an ambush by Hizbullah supporters” in the Hermel region.

“Ali Ahmed al-Hujairi was killed in an ambush by Hizbullah supporters in the barren mountains of (the town of) Beit Jaafar between Akkar and Hermel,” the municipality's deputy chief told MTV.

President Michel Suleiman on Friday warned that Lebanon can no longer cope with the burden of Syrian refugees, stressing that some statements on the Syrian crisis do not reflect the Lebanese official stance.

During a meeting with the ambassadors of the U.N. Security Council member states, Suleiman rejected "any foreign military intervention in Syria and any Lebanese intervention in the Syrian crisis."