There are unconfirmed reports that a separate barrel bomb that killed a family of six was laced with chlorine gas.
The Syrian army launched ground attacks and an air bombardment this week after a pause in fighting that lasted weeks.
The direct link between a surge in Syrian refugees and the U.K.'s Brexit vote is clear.
More than 250,000 people could go without any food after the rations have been delivered.
Russian attacks on Syrian civilians have undercut efforts to ease Donbass-related sanctions.
Embassy said the British foreign secretary's comments encouraged "disruptive" protests.
Moscow blames the West for failing to rein in Islamists in Aleppo.
A poll shows that concern regarding global conflict with the West is high.
Rebels open a new front in contested city, trying to break the government's siege.
There is little prospect of a negotiated settlement for Syria with Russia.
Aid hasn't arrived, and people are blocked from leaving via designated corridors during ceasefire.
Some who tried to return to the Syrian city were jailed and accused of backing ISIS.
In 2014, 23 percent of all U.S. residents raised in Muslim households had left their religion.
The deployment would strongly boost Russia's capabilities near Aleppo.
The Syrian army and its allies see a risk that Islamic State will regroup in eastern Syria as it is forced from the Iraqi city of Mosul.
An exodus of 700,000 refugees may overwhelm plans for providing humanitarian aid.
Ukrainians worry that allies will put Russian cooperation in Syria ahead of the Ukraine conflict.
Johnson said he believes Russia was involved in the bombing of an aid convoy near Aleppo.