DHAKA: At least four people were killed and nearly 50 injured on Sunday after police fired at thousands of people protesting a Facebook post by a Hindu who allegedly defamed the Prophet Muhammad (SAW), officials said.Mob attacks over Facebook posts perceived to be blasphemous have emerged as a major headache for security forces in Bangladesh, where Muslims make up some 90 percent of the country´s 168 million people.
Some 20,000 Muslims demonstrated at a prayer ground in Borhanuddin town on the c…