07 February, 2018
In a statement, Paulo Pinheiro, head of the International Commission of Inquiry on Syria, said an ongoing Syrian government siege of Eastern Ghouta "involve (s) the international crimes of indiscriminate bombardment and deliberate starvation of the civilian population".
On Monday, air strikes killed 30 people in Eastern Ghouta, the Observatory said.
Global concern has been growing over the fate of eastern Ghouta, where residents say they have been running out of food and medicine.
The United Nations called for an immediate, month-long cease-fire in order to deliver critical humanitarian aid and medical care to civilians across the country.
Syria has been locked in a devastating civil war since March 2011, when the Bashar al-Assad regime cracked down on pro-democracy protests with unexpected ferocity.
A Syrian girl holds an oxygen mask over the face of an infant at a makeshift hospital following a reported gas attack on the rebel-held besieged town of Douma, in the eastern Ghouta region, on the outskirts of Damascus, Syria, Jan. 22, 2018.
Airstrikes and shelling of areas held by anti-government armed groups has compounded a three-year siege in which almost 400,000 civilians - including children - have had little access to basic assistance, including food, medicines and life-saving health assistance.
A Syrian search-and-rescue group says at least three people have been killed in new airstrikes on the rebel-held province of Idlib, a day after Russian and Syrian government forces battered rebel areas across the country with sweeping air raids.More news: Klopp comments about Sissoko could leave Tottenham fans scratching their heads
The panel also expressed "deep concern" over the escalation of violence in rebel-held Idlib province and in Eastern Ghouta, Pinheiro said.
"The agreed inter-agency bi-monthly plan to reach besieged and hard-to-reach areas is paralyzed due to access restrictions or lack of agreement concerning locations, supplies and number of beneficiaries", the statement said.
Rescue workers said at least nine people had suffered breathing problems from chemicals dropped from the air.
Meanwhile, Turkish operations against Syrian Kurdish forces and US and Russian-backed operations against the Islamic State group have compounded the suffering of Syrians in the country's north and east.
That deployment is separate from a Turkish military offensive that Ankara launched last month to rout US -backed Syrian Kurdish fighters from the northern enclave of Afrin.
Iran urged Turkey on Monday to halt its two-week-old military offensive against the Kurdish YPG militia in northern Syria's Afrin region, which is adjacent to Idlib.
In May past year, Russia, Iran and Turkey signed an agreement to set up de-escalation centres, in order to reduce violence and airstrikes in some parts of Syria.
In the northwest, the other main battlefield in the war between Assad's government and its main rebel opponents, bombing also intensified on Sunday night after rebels shot down a Russian warplane on Saturday.