U.N. Under-Secretary-General for Political Affairs Jeffrey Feltman has warned that Syria's war would pull Lebanon into its “vortex” and encouraged Lebanese officials to ensure that the parliamentary elections take place on a consensual basis.

"Even tentative steps to dialogue are struggling to take root. The destructive military spiral churns more forcefully each day and threatens to pull its neighbors, most notably and worrisomely Lebanon, into its vortex," Feltman told the U.N. Security Council about the fighting between the troops of Syrian President Bashar Assad and rebels seeking to topple him.

The wheel of a truck blew up near Hazmieh highway on Tuesday night and the explosion was heard in the southern suburb of Beirut.

“The explosion took place at al-Sayyad bridge and it was heard all over the southern suburb of Beirut,” al-Manar television reported.

Hizbullah issued a statement on Tuesday denying reports that the party's leader Sayyed Hasan Nasrallah has been transferred to Iran for treatment after falling ill.

"Nasrallah is in good health and he did not leave the country,” the statement said.

Al-Mustaqbal parliamentary bloc called on Monday the cabinet to deploy military forces on the border with Syria, condemning all attacks on Lebanese territories “be it by President Bashar Assad's regime of by the opposition forces”.

"We reject all attacks and violations of Lebanon's sovereignty regardless of their source,” the bloc said in a released statement after the MPs' weekly meeting, calling on President Michel Suleiman to deploy army forces on the border in respect to resolution 1701 as “this would assure the protection of Lebanese citizens”.

United States Ambassador to Lebanon Maura Connelly urged on Tuesday all political factions in Lebanon to abide by the policy of disassociation towards regional events, expressing U.S. condolences for Lebanese citizens killed and injured by the “Syrian regime’s shelling of and firing upon border villages”.

“We reiterate U.S. calls for (Syrian President Bashar) Assad's regime to respect the sovereignty, independence, and stability of Lebanon,” Connelly said after meeting with Prime Minister Najib Miqati.

Free Patriotic Movement leader MP Michel Aoun warned on Tuesday against the current “dangerous security situation in the country”, explaining that not responding to “incitement, provocation, killing and kidnapping incidents will lead to an internal war”.

"Politicians and those keen on preserving the constitution are held responsible for any conflict that may erupt in the country,” Aoun stated in a statement he gave after Change and Reform parliamentary bloc's weekly meeting, adding that “armed forces on ground are preparing for this war”.

Foreign Minister Adnan Mansour stated on Tuesday that opinions expressed by Lebanese politicians do not reflect the cabinet's stances, reiterating Lebanon's disassociation policy towards regional events.

"We respect the particularity of the countries in the region and Lebanon vowed to follow a disassociation policy towards their internal affairs,” Mansour said after meeting with Bahrain's Deputy Prime Minister Ali bin Khalifa Al Khalifa in the Gulf state, explaining that this approach has been followed by Lebanese officials since the independence.

Education Minister Hassan Diab revealed on Tuesday that secondary and middle school official exams will most likely be postponed due to the Syndicate Coordination Committee strike.

He said after meeting with Premier Najib Miqati that the postponement will allow schools to complete the academic curriculum.

Head of the public drivers syndicate Bassam Tleis revealed on Tuesday that a meeting with Prime Minister Najib Miqati failed to avert a decision by the Transportation Drivers Union to stage a strike on Thursday.

“We will hold another meeting with the premier on Wednesday for further consultations and we'll decided after it the fate of the our strike on Thursday,” Tleis told reporters at the Grand Serail.

Bilal bin Rabah mosque Imam Sheikh Ahmed al-Asir announced on Tuesday the launch of a series of protests scheduled to take place after every Friday's prayers if the cabinet “does not respond to his demands”.

"We will not stop our activities until the cabinet responds to our demands and restores our dignity,” Asir said in a press conference.