I recently took part in a fundraiser to build a Masjid, I reached out to my contacts to help make donations towards the Masjid. One of my contacts gave me £500 in cash, however, I am unsure whether this money has come from a Halal earning. Should this money be accepted as a donation towards the Masjid?
It is strictly prohibited to use Haram money to build a Masjid. If you are sure that the source is Haram then it should not be used for the Masjid project and if you are unsure about it then you are not sinful but the person who donated will be accounted for his sin.
Allah knows best
Imam Amjad Aziz Al-Azhari