Sahih Muslim 1553

Anas reported that the Messenger of Allah ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ ) observed Qunut for one month invoking curse upon some tribes of Arabia (those who were responsible for the murders in Bi'r Ma'una and Raji'), but then abandoned it. ..

Al-Bari' b. 'Azib reported that the Messenger of Allah ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ ) observed Qunut in the morning and evening (prayers). ..

Al-Bari' reported that the Messenger of Allah ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ ) observed Qunut in the dawn and evening (prayers). ..

Khufaf b. Ima' al-Ghifari reported that the Messenger of Allah ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ ) aid in prayer: 0 Allah I curse the tribes of Lihyan, Ri'l, Dhakwan, and 'Usayya for they disobeyed Allah and His Messenger ( ‌صلی ‌اللہ ‌علیہ ‌وسلم ‌ )...

Khufaf b. Ima' reported that the Messenger of Allah (may peace he upon him), bowed (in prayer) and then lifted his head and then said: So far as the tribe of Ghifar is concerned, Allah had pardoned it, and Allah had granted protection to the tribe..

A hadith like this has been transmitted by Khufaf b. Ima' except this that he did not mention (these words): cursing of unbelievers got a sanctions. ..