Moscow says the UN should investigate the alleged attack earlier this week, but has also accused the opposition of fabricating evidence of the event.
The 1 million children who have fled Syria, and the 2 million displaced within the country, have been largely unable to get an education or receive help coping.
Russia's Foreign Ministry spokesman said that the reports are an effort to derail a planned peace conference led by Russia and the US.
Syrian opposition groups allege that the regime killed more than 1,300 people with the help of chemical weapons. The government denies the reports.
Just days after a UN team arrived in Syria to investigate alleged chemical weapons use, opposition groups say the government made use of an unknown 'poison gas.'
Comparisons of Egypt to regional nations that have witnessed ruinous civil wars are premature – but worth noting.
Claims that the rebels targeted Syrian President Assad's convoy have not been verified. Some question whether Assad's death would alter the balance of the conflict.
The EU allowed the arms embargo to expire in June, but said it would not take action until August. That day is here.
The photos feature President Assad and wife Asma surrounded by adoring Syrians, with few signs of the conflict that is tearing the country apart.
Lebanon's economy typically rides a wave of tourism every summer, but Syria's war is scaring off visitors.
Foreign journalists are increasingly staying out of Syria, judging the risk of kidnapping to be too great.
This weekend saw one of the highest death tolls for Syrian rebels in a civil war that has now claimed an estimated 93,000 lives.
The Russian report alleges that the rebels fired a rocket laced with homemade sarin into Aleppo in March.