The mortar landed on a house in Wardhigley neighborhood, killing a mother and injuring her four kids, local residents told Midnimo.
It is not clear where the mortars were launched from or who is behind it.
Somalia Government officials in the area didn’t comment about the incident.
No claimed the responsibility those attacks but some witness says Al-shabaab to be behind such attacks.
Mogadishu experienced relative peace after African Union and Somali soldiers forced Al-shabab militants out of Mogadishu in August 2011.