These were government schools before the war, he says, and would have been known. The civil defense said there were two schools in the area where the airstrikes hit around midday.
Unicef said the school compound in the village of Hass was "repeatedly attacked", leaving 22 children and six teachers dead.
Gen. Igor Konashenkov said in a statement.
"He counted seven air strikes".
Russian Federation denied any involvement in deadly air strikes on a Syrian school and rejected a UN-led investigation showing its ally Damascus had carried out chemical attacks, as Moscow's relations with the West took another hit.
UNICEF executive director Anthony Lake called the airstrikes an "outrage", adding that if found to be deliberate, the attacks would be considered a war crime. "They must be proved wrong", he said.
An Iranian news website said a senior commander from Iran's paramilitary Revolutionary Guard was killed in Syria. Syria's military acknowledge a airstrikes Wednesday in the rebel-held region, without mentioning a school. Samei was also formerly posted to a remote area in east of Iran. It did not elaborate.
It was the first time an global probe pointed the finger of blame at President Bashar al-Assad's forces after years of denial from Damascus. "We may respond", Putin told an audience a the Valdai Discussion Club meeting of political scientists in Sochi on Thursday.
"Coalition forces failed to take adequate precautions to minimize harm to civilians", she said. But she says the worldwide community has disappointed Syrians over and over. Moscow has denied striking civilians and has blamed Washington for failing to persuade the USA -backed rebels in the city to cut their ties with fighters from al-Qaida's branch.
It is regularly hit by Syrian and Russian warplanes but also by the US-backed strikes targeting Islamic State militants.
Syrian activists and rescue workers say at least eight people have been killed in attacks on a rebel-held suburb of the capital, Damascus. The UK-based Syrian Observatory for Human Rights (SOHR) said six children were killed in both that incident and rebel shelling of the government-held district of Hamdaniya.
White House spokesman Josh Earnest said Thursday that only Moscow and the regime of Syrian President Bashar al-Assad had the capabilities to carry out a strike like the one that killed 22 children on Wednesday.
It has been "long planned" that the US-backed assault on Mosul - which started earlier this month - and Raqqa would be overlapping, Carter said.
Egeland said a lack of trust, fear, and misunderstandings, as well as unacceptable preconditions, have prevented evacuations. He spoke on Thursday in Geneva.
Russia's defence ministry said yesterday that Syrian and Russian warplanes had not bombed Aleppo in the past nine days.
A ceasefire meant to allow civilians and armed combatants to leave rebel-held eastern Aleppo ended at the weekend, with Moscow on Monday ruling out an extension of the unilateral measure for the time being.
Meanwhile, a group of Russian warships, including the country's only aircraft carrier, the Admiral Kusnetsov, reportedly refuelled of the North African coast en route to the eastern Mediterranean, the BBC reported Thursday.
He said the Syrian government had denied humanitarian access to eastern Aleppo as part of a monthly United Nations plan to access 25 besieged and remote areas in Syria.
"We are concerned and I have expressed that very clearly about the potential use of this battle group to increase Russia's ability and to be a platform for airstrikes against Syria", he said. "Not just in Aleppo", said Putin.