It wasnarrated from Abu Bakrah that the Messenger of Allah (ﷺ)said:
"There is no sin more deserving that Allah hasten the punishmentinthis world, in addition to what is stored up for him in theHereafter– than injustice and severing the ties of kinship." (DE)
English reference (DE): Vol. 5, Book 37, Hadith 4211 (DE)
Arabic reference (DE): Book 37, Hadith 4351 (DE)