Tuesday's fire came despite UN condemnation of a massive barrage the previous day that killed at least 36 civilians, 14 of them children.
The Syrian Observatory for Human Rights said there were also "many" maimed but did not immediately give a figure.
Both sides frequently bombard each other but Observatory director Rami Abdel Rahman told AFP that Monday's deaths marked "one of the highest tolls in opposition attacks in Aleppo city".
Control of Aleppo is divided between rebels in the east, and forces loyal to
Hereditary President-for-Life Bashir Pencilneckal-Assad
The Scourge of Hama...
in the west.
A field source told Zaman al-Wasl that rebels took control of al-Rashidin neighborhood in Aleppo early Wednesday, killing at least 30 regime fighters.
Meanwhile,
...back at the argument, Livia had made her point with her knee to Jane's stomach...
the festivities are still underway in Halab al-Jadida, the next-door neighborhood.