Hamas' political chief in Lebanon Ali Baraka stressed on Friday that the movement is cooperating with Hizbullah and Lebanon's security agencies to end the phenomenon of explosive-laden Cars.

“The person accused of May rocket attack that targeted Hizbullah (controlled neighborhood of Shiyah) in Beirut's southern suburbs Ahmed Taha isn't a member of the movement,” Baraka said in an interview with As Safir newspaper.

A rally in support of fugitive Salafist cleric Sheikh Ahmed al-Asir is took place on Friday as scheduled after the main weekly Muslim prayers.

The rally went ahead in spite of a decision taken by by-security council of the South on Wednesday to thwart such demonstrations outside of Sidon's Bilal bin Rabah Mosque.

Caretaker Interior Minister Marwan Charbel described on Friday a security meeting held a day before as “excellent,” pointing out that he set with the participants a security roadmap for the security agencies to deal with the situation.

Charbel said in comments published in al-Liwaa newspaper that other meetings will be held to follow up on the plan and the coordination among the security agencies.

The Israeli air force struck a Palestinian group in Lebanon on Friday, officials said, hours after a different organization said it fired four rockets at the Jewish state from Lebanon.

Israeli aircraft "targeted a terror site located between Beirut and Sidon in response to a barrage of four rockets launched at northern Israel yesterday (Thursday)," the military said.

The army on Thursday evening announced seizing a truck carrying gas masks and related equipment in the town of al-Kfeir in the Hasbaya District as al-Jadeed television said it was "bound for the Syrian opposition."

"The pick up truck driver was arrested and the foundings were confiscated,” a communique issued by the Army Command said.

Loyalty to Resistance bloc MP Hasan Fadlallah on Thursday refused to condemn a rocket attack on Israel from Lebanon that took place earlier in the day, although he denied any involvement by Hizbullah in the incident.

"We were not aware that a rocket attack will happen and we have nothing to do with it,” Fadlallah said in an interview on LBCI television.

An explosive device was found on Thursday evening in the town of Maarakeh in the southern Tyre District.

"The device was found in Shdaghrouss neighborhood in Maarakeh,” the state-run National News Agency said.

President Michel Suleiman on Thursday expressed "grave concern" over the use of chemical weapons in Syria and condemned the firing of rockets from Lebanon at Israel as a "violation of Resolution 1701 and Lebanese sovereignty."

The president said that if confirmed the attacks would totally be in violation of “human values and principles.”

The United States on Thursday imposed sanctions on four Hizbullah leaders for alleged operations in Syria and elsewhere in the Middle East.

The U.S. Treasury Department said the sanctions target senior members of Hizbullah responsible for activities including assisting fighters from Iraq to support the regime of President Bashar Assad in Syria, where civil war has raged for more than two years.

Israeli Prime Minister Benjamin Netanyahu warned on Thursday of retaliation after a volley of rockets were fired from southern Lebanon at the Jewish state, causing no casualties or damage.

"Anyone who harms us, or tries to harm us, should know -- we will strike them," he said in a televised address.