"According to information from different intelligence sources, at least 30 terrorists were killed", he said, indicating that one of them was a Takfiri leader charged with "preparing and carrying out a new offensive in Aleppo".
Meanwhile, Syrian warplanes have been pounding rebel-held districts of Aleppo, home to almost 275,000 people.
A civil defense worker in Aleppo, Bebars Mishal told Reuters, "The helicopters won't stop for a single moment". But it remains unclear whether the two governments can agree on a formula for easing the conflict, which the United Nations says has claimed more than 400,000 lives since 2011.
Ibrahim al-Haj, a member of the Syrian Civil Defense, a group of volunteer first responders, says 22 were killed in the air raid, which struck mud houses in the village.
Staff at the children's hospital had to move children, including premature babies, from cots and incubators to the basement of the building.
Hatem is one of three pediatricians who are still working at the hospital.
The UK-based Syrian Observatory for Human Rights said at least 21 people had been killed, five of them children.
The government and its ally Russian Federation halted air strikes on 18 October to allow civilians and rebels to leave, but few took up the offer.
At least 24 people died on Wednesday in artillery attacks in al-Shaar, Karam al-Baik, al-Sakhur, and 23 others were killed in bombings on Batbo town in the western countryside of Aleppo, the SOHR added.
Aleppo was Syria's largest and most prosperous city before the war began in 2011, and its eastern districts have been subjected to an nearly continuous siege by the Assad regime for months.
An AFP correspondent in the eastern districts said explosions from barrel bombs dropped by aircraft had been heard since 10:00 am (0800 GMT).
Russian Federation said its air raids were targeting Idlib and Homs province while Syrian warplanes were pounding rebel-held districts of Aleppo. The Syrian American Medical Association told CNN that the Al-Shaar neighborhood's Children's Hospital, Al-Bayan Hospital and the Central Blood Bank were targeted with barrel bombs.
The Russian Defense Ministry said a navy frigate also launched long-range cruise missiles at targets in northern Idlib, an area about 60 kilometers southeast of Aleppo.
White Helmets member Ismail Abdallah described the heavy bombardment as "a helicopter coming and a helicopter going and dropping bombs", adding that "the situation is very, very hard".
Activists confirmed the resumption of government air strikes, amid reports by state media of large troop deployments on several fronts ahead of a major ground assault.
On Monday and early Tuesday, there were air strikes on hospitals in three rebel-held towns to the west of Aleppo, knocking them all out of service.
Russian Federation has been conducting a bombing campaign in Syria for more than a year in support of Syrian President Bashar Assad.
"But we always say we have wishful thinking that the Unites States would be unbiased, respect the global law, doesn't interfere in other countries around the world, and of course to stop supporting terrorists in Syria".