ABC News Online: Aleppo: Heaviest air strikes in months pound rebel-held areas
Warplanes have mounted the heaviest air strikes in months against rebel-held districts of the city of Aleppo overnight, rebel officials and the Syrian Observatory for Human Rights said.
There was no immediate comment from the Syrian military on the reports, or mention of Aleppo air strikes on state media.
US Secretary of State John Kerry demanded Russia and the Syrian Government immediately halt flights over Syrian battle zones, in what he called a last chance to salvage a collapsing ceasefire and find a way "out of the carnage".
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More News On The Battle For Aleppo
UN resumes aid convoys to Syria days after deadly airstrikes -- CBC/AP
Syria's Aleppo set ablaze ahead of fresh diplomatic efforts -- AFP
Syria conflict: Warplanes set rebel-held Aleppo ablaze -- BBC
Syria conflict: overnight airstrikes on rebel-held Aleppo kill dozens -- Guardian
Syria: Strikes pound Aleppo as UN resumes aid delivery -- Al Jazeera
Rebel-Held Aleppo Heavily Bombarded -- RFE
Warplanes kill 45 in Aleppo — but Assad says civilian deaths aren't his fault -- VICE News
U.N. resumes humanitarian aid to Syria -- USA Today
U.N. Restarts Aid Convoys in Syria, 3 Days After Attack -- NYT