Ash-Shu'araa • BN-TAFSEER-IBN-E-KASEER
﴿ فَأَسْقِطْ عَلَيْنَا كِسَفًۭا مِّنَ ٱلسَّمَآءِ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ ﴾
“Cause, then, fragments of the sky to fall down upon us, if thou art a man of truth!””
Please check ayah 26:191 for complete tafsir.