British Foreign Secretary William Hague stressed on Wednesday on the need to reinforce Lebanon's stability, revealing that he will visit the Army Command during his stay in Beirut “to stress on the United Kingdom's support for the military institution”.

"We are very keen on Lebanon's stability and the UK will make sure to preserve it,” Hague said after meeting with Prime Minister Najib Miqati at the Grand Serail. “We will support the cabinet in all fields”.

The rebel Free Syrian Army on Wednesday threatened to shell positions of Hizbullah in Lebanon after accusing it of firing across the border into territory it controls.

"In the past week... Hizbullah has been shelling into villages around Qusayr from Lebanese territory, and that we cannot accept," General Selim Idriss, the FSA's chief of staff, told Agence France Presse on the phone, adding that the rebels have given Hizbullah a 48-hour deadline to stop the attacks.

The tail of a surface-to-air missile (SAM) fired from Syria fell in the outskirts of the Lebanese town of Deir al-Ashayer on Wednesday, Lebanon's state-run National News Agency reported.

The missile fell in the Deir al-Ashayer-Yanta-Halwa area inside Lebanese territory, causing no casualties or material damage, NNA said.

Three Hizbullah members have been killed on Wednesday in an attack by the Islamist al-Nusra Front in a border town between Lebanon and Syria, the Turkish state-run Anadolu agency reported.

"The attack targeted a Hizbullah patrol in (the Bekaa border town of) Zeeta, killing three of the party's members,” informed sources told Anadolu.

British Foreign Secretary William Hague discussed Syria's bloody conflict on Wednesday with Qatar's crown prince during a visit to the gas-rich Gulf country, the official QNA news agency reported.

Qatar's Crown Prince Tamim bin Hamad al-Thani met with Hague in Doha, where they "discussed cooperation between their countries as well as regional developments, mainly in Syria," said QNA.

United Nations Special Coordinator for Lebanon Derek Plumbly stressed on Wednesday the need for the parliamentary elections to be held “within the constitutional and legal timeframe” in order to maintain democracy and stability in Lebanon.

He said after holding talks with Phalange Party leader Amin Gemayel: “We encourage all political parties in Lebanon to make every effort to achieve consensus on a new electoral law.”

Foreign Minister Adnan Mansour urged on Wednesday the need to halt the violence in Syria and launch political dialogue, which alone can help end the country's crisis.

He said: “Foreign meddling in Syria will only deepen the crisis and not end it.”

A Syrian footballer was killed and four others wounded on Wednesday when two mortars smashed into a stadium in central Damascus, a sports official told Agence France Presse, as activists said rebels downed a warplane over a Damascus suburb.

The official, speaking on condition of anonymity, named the dead footballer as Youssef Suleiman, aged 23, and said he played for the Homs-based al-Wathba team.

Christians in strife-torn Syria face the same sort of dangers as their Muslim counterparts but are not being specially targeted in the conflict, a Chaldean bishop from the Syrian city of Aleppo said on Wednesday.

Antoine Audo, who is attending a three-day regional conference of the Catholic charity Caritas in Jordan, told Agence France Presse that Christians in Syria are also not being forcibly displaced but are trying to find refuge elsewhere due to instability in the country.

The Military Tribunal issued on Wednesday an indictment against former Minister Michel Samaha and a Syrian official on charges of planning to carry out terrorist attacks in Lebanon.

First Military Investigation Judge Riyad Abu Ghida indicted Samaha and Syrian security official Ali Mamlouk on terrorism charges.