Fighting them would only cause more problems for Muslims. Try to advise them and always call the police.

A new mosque opened in my city, but some people are trying to bring music and unislamic things inside and they have threaten the guy there, if I fight them when there is a need and I die will I be considered as a shaheed?

Psychological and Social Problems | March 11, 2014 5:33 pm
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When I see the some of Muslims who practice bidah, shirk etc my mind is automatically becoming angry and hating them, is it from Satan? Behaving to them in good manner as they all Muslims is the correct way?
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Sometimes we come across people who are ignorant about Islam, perhaps because of a lack of opportunity for learning or perhaps because of a lack of interest. In such cases, it is very difficult to explain something to them. How should we treat such people?