Russia and the Syrian government should be investigated for war crimes, US Secretary of State John Kerry said.
"Russia, and the regime, owe the world more than an explanation about why they keep hitting hospitals and medical facilities and children," he said.
20:51 Syrian army's Aleppo advance slows, but victory in sight10
17:54 Syrian Army suspends active military operation in Aleppo – Russian FM9
12:11 Syrian Forces Said to Drive Deeper Into Rebel-Held Aleppo10
09:18 Syrian government troops, allied militiamen seize more ground in Aleppo15