ISLAMABAD , Pakistan ( CNN ) -- Six people were killed in Pakistan on Saturday when Muslim demonstrators set fire to houses in a Christian enclave and fighting broke out , local police said . Pakistani human rights activists in Lahore protest on Saturday the anti-Christian violence in Gojra village . Police said Muslims were enraged over an alleged desecration of pages in the Quran at a Christian wedding last Saturday , and held a rally to protest . The Quran is the Muslim sacred text . The Muslims went to the Christian community in Gojra City , 160 kilometers ( 100 miles ) southwest of Lahore , and burned 40 to 50 houses . Muslims and Christians exchanged gunfire . Police said efforts to settle the concerns with dialogue so far have failed . On Thursday , 15 Christian houses in the region were also torched . Pakistan is predominantly Muslim but has a small Christian community . Meanwhile , police in Islamabad reported Friday that an al Qaeda member thought to be involved in several attacks was arrested . Bin Yamin , a senior police official in Islamabad , identified the suspect as Rao Shakir Ali . Police believe he was involved in strikes on targets such as the Danish Embassy , a rally of Chief Justice Iftikhar Chauhdary , police , and a hotel . The suspect is a resident of Sargodha , which is 165 kilometers ( about 100 miles ) northwest of Lahore and has a house in Rawalpindi that has been used to facilitate insurgent acts , police said . Journalist Nasir Habib contributed to this report .
Fighting broke out as Muslims torched 15 houses in Christian enclave . Muslim enraged over an alleged desecration of Quran at a Christian wedding . Muslims burned 40 to 50 Muslims homes on Thursday . Quran predominantly Muslim , but has a small Christian community .