Ma'arif al-Qur'an Tafsir: Al-Mursalát Ayah 16

أَلَمْ نُهْلِكِ الْأَوَّلِينَ (Did We not destroy the earlier people?...77:16) It refers to the nations of ` Ad, Thamud, nation of Lut (علیہ السلام) and Fir'aun (The Pharaoh) who were destroyed because of their obstinacy.