Prohibition of Breaking ties and Relationships Riyad as-Salihin 1595
Arabic hadith text
وعن أبي هريرة رضي الله عنه قال: قال رسول الله صلى الله عليه وسلم : "لا يحل لمسلم أن يهجر أخاه فوق ثلاث، فمن هجر فوق ثلاث، فمات دخل النار".((رواه أبو داود بإسناد على شرط البخاري)).
Translation
Abu Hurairah (May Allah be pleased with him) said
The Messenger of Allah (ﷺ) said, "It is not lawful for a Muslim to forsake his (Muslim) brother beyond three days; and whosoever does so for more than three days, and then dies, will certainly enter the Hell."[Abu Dawud].