Last week Pakistan’s Prime Minister, Imran Khan, appointed a renowned Pakistani economist to an advisory economics panel. But Professor Mian is also a member of the Ahmadiyya religious community, which many Muslims consider to be sacrilegious. Following protests he resigned. So why do the Ahmadiyya stir such passions in Pakistan? BBC Urdu's Khalid Karamat explains.

Image: A man cries as he prays at the graves of victims killed in attacks against Ahmadiyya community mosques in 2010.