Quran 2:50 from Surah Al-Baqara on Divine Marvels.
وَإِذۡ فَرَقۡنَا بِكُمُ ٱلۡبَحۡرَ فَأَنجَيۡنَٰكُمۡ وَأَغۡرَقۡنَآ ءَالَ فِرۡعَوۡنَ وَأَنتُمۡ تَنظُرُونَ
English translation: And when We parted for you the sea then We saved you and We drowned (the) people (of) Firaun while you (were) looking
Transliteration: wa-idh faraqna bikumu al-bahra fa-anjaynakum wa-aghraqna ala fir'awna wa-antum tanzuruna