An estimated 10,000 Syrian children in Lebanon are likely to be suffering from malnutrition and has increased by 5.9 percent in 2013, according to a recent UNICEF-led survey as the U.N. agency said nearly 2,000 were at risk of dying if they weren't immediately treated.

Trapped in her northern Syrian village by fighting, Mervat watched her newborn baby progressively shrink. Her daughter's dark eyes seemed to grow bigger as her face grew more skeletal. Finally, Mervat escaped to neighboring Lebanon, and a nurse told her the girl was starving.

Syrian warplanes carried out several airstrikes on the outskirts of the eastern border town of Arsal as media reports said that gunmen from the rebel bastion of Yabrud fled to the area after the Syrian army seized full control of the town.

The Syrian airstrike targeted the outskirts of Arsal's mountainous regions.

The pan-Arab daily Asharq al-Awsat revealed on Sunday the fate of four Lebanese nationals missing in Syria out of 622 names, which Syrian authorities refuse to recognize their presence in the regime's prisons.

The newspaper published four official Syrian documents concerning the fate of Salim Salamah, Kozhaya Shehwan, Abdul Nasser al-Masri and Raef Faraj.

The Russian Embassy in Lebanon beefed up its security measures after obtaining information that an extremist group is monitoring it, the Kuwaiti al-Anbaa newspaper reported on Sunday.

According to the newspaper, an extremist group led by a Jordanian of Chechen origin is plotting to carry out attacks against Russian interests in Lebanon.

Armed clashes renewed on Sunday afternoon in Tripoli, shattering a cautious calm that had engulfed the city since dawn, as a number of MPs, Muslim clerics and figures called for a ceasefire and rejected attacks on the army.

“Clashes have escalated between Bab al-Tabbaneh and Jabal Mohsen and the army is shooting at the sources of gunfire,” al-Jadeed television reported in the evening.

Thousands marched in Western capitals Saturday to support the people of Syria, who entered the fourth year of a conflict that has left at least 146,000 dead and spawned the world's largest displaced population.

Around 1,000 people marched to Downing Street in London, waving Syrian flags and denouncing the international community's inaction.

Syrian refugees in a sprawling desert camp in Jordan fear that President Bashar Assad's likely re-election this year will leave their dream of a return home as distant as ever.

As Syria's war entered its fourth year this weekend, many of the around 100,000 refugees in Zaatari camp see no end in sight to their misery.

Syrian opposition chief Ahmed Jarba called Saturday for backers of the rebellion to provide it with the "means to fight" the regime, as the conflict entered its fourth year.

In a speech delivered in Istanbul and articles published in the French and U.S. media, Jarba renewed a call for weapons as the rebels take on both President Bashar al-Assad's regime and jihadists.

One person was killed and at least two others injured on Saturday after several rockets fired from the eastern mountain range landed on Shiite towns in the Bekaa Valley, the Lebanese army and the state-run National News Agency said.

A boy named Abbas Saleh Saifeddine died in al-Nabi Othman while two others were wounded in al-Labweh, NNA and media reports said.

Activists said Saturday that the Kuwaiti commander of an al-Qaida-linked group was killed while fighting government troops and Hizbullah fighters inside Syria.

The Britain-based Syrian Observatory for Human Rights said Abu Azzam al-Kuwaiti, a leader of the Nusra Front, was killed late Friday in fighting around the western town of Yabrud.