According to Aleppo police, the bomb had been laden in a garbage basket.
Syrian media have earlier said that the blast was caused by a mortar explosion.
However, according to other Syrian media reports as well as Telegram channels of the Tahrir al-Sham and Army of Conquest terrorist groups, the Abu Amarah terrorist group claimed the responsibility for the deadly incident.
Abu Amarah terrorists had earlier made a suicide attack in Aleppo on April 19 which claimed six lives and injured 32 others.
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