Trials and Fierce Battles (Kitab Al-Fitan Wa Al-Malahim)

Dawud :: Book 35 : Hadith 4252

Narrated Abdullah ibn Amr ibn al-'As:

The Prophet (peace_be_upon_him) said: There will be civil strife which wipe out the Arabs, and their slain will go to Hell. During it the tongue will be more severe than blows of the sword.