In Pakistan, at least four activists known on social media for their secular leftist views have gone missing this week, relatives and NGO workers said today. Two of the men Waqas Goraya and Asim Saeed disappeared on January 4, according to a cyber security NGO, while Salman Haider vanished Friday and Ahmed Raza Naseer today, relatives said.<br/><br/>The Interior Ministry has said it will investigate the disappearance of Haider, a Dawn newspaper blogger known for his outspoken views on enforced disappearances in the southwestern province of Balochistan.<br/><br/>The Ministry however, made no reference to the others. Raza Rumi, a writer and analyst who left Pakistan in 2014 after he was attacked by gunmen, said that the state has controlled TV and now it is focusing on digital spaces.