105:3
وَأَرْسَلَ عَلَيْهِمْ طَيْرًا أَبَابِيلَ
Abraha's Expedition Against the Ka'bah (Incident of the Elephant)
Describes the birds (Ababil) Allah sent against Abraha's army.
105:4
تَرْمِيهِمْ بِحِجَارَةٍ مِنْ سِجِّيلٍ
Abraha's Expedition Against the Ka'bah (Incident of the Elephant)
Describes the stones of baked clay (sijjil) the birds bombarded Abraha's army with.