Four supporters of the Muslim Brotherhood group were arrested Tuesday for implicating in making explosives in Fayyoum Governorate, southwest of Cairo.
They were discovered after a blast occurred on Friday, July 4 in workshop, set for making makeshift bombs in the deserted poultry farm in one of the governorate's villages.
Faced by charges, they confessed making explosives for targeting vital public facilities, and causing chaos in the country.
Investigations managed to identify the identity of the body parts which were dismembered in the explosion.
It found that the owners of the farm were all Brotherhood's members.
In December, Egypt's government declared the Muslim Brotherhood a terrorist organization, blaming it for a string of attacks in the country and banning all its activities nationwide.