Question: What is the ruling on those who commit blasphemy? What if they are first degree of kinship such as the father or the brother? What is the ruling on shrines like Ibraaheem Al-Dusuqee, Al-Sayyid Al-Badawee, Al-Husayn, etc. What about the Masjids (mosques) built around these graves? Do they fall under the Prophet’s Hadeeth, Allaah curses the Jews and the Christians, for they have taken the graves of their Prophets as places of worship. ?
Answer: First, blasphemy is an act of apostasy if a blasphemer is a Muslim. It is the duty of whoever knows that to forbid the Munkar (that which is unacceptable or disapproved of by Islaamic law and Muslims of sound intellect) and advise them for they hopefully may accept the advice, stop doing Munkar, and repent to Allaah… read more here.