![](https://amayei.nyc3.digitaloceanspaces.com/2018/09/egyptian_security_campaigns.jpg)
A sound blast took place along the tracks of Misr el Gedida metro on Monday but no casualties were reported, a security source said.
The blast took place in the area between the Misr el Gedida court and Hegaz square, the source added.
Sappers were called to comb the area and search for other explosives.