I asked Ibn Abbas about this verse, "If you do not march forth, He will punish you with a painful punishment" [Tawbah 9:39].He said, "He withheld the rain from them, and that was their punishment."
حدثنا عثمان بن أبي شيبة حدثنا زيد بن الحباب عن عبد المؤمن بن خالد الحنفي
سألت ابن عباس عن هذه الآية {إلا تنفروا يعذبكم عذابا أليما} قال فأمسك عنهم المطر وكان عذابهم
No references are available.
[Its chain of transmission is daif]Abd bin Humayd narrated it in his Musnad, no. 682, from Zayd bin Hubab, through this same chain. * Najdah bin Nufay is unknown (Taqrib).