How did a well-known Pakistani journalist die in Kenya?

Conflicting reports on how a prominent Pakistani journalist died in Kenya. Kenyan police say he was shot. Islamabad says he was tortured as well.  Who was he? And why was he in Nairobi?Also, the Somali government has shut down hundreds of social media accounts propagating the ideas of the militant group Al Shabaab.Plus, we'll hear how people in Cairo are dealing with toxic levels of air pollution.These stories and more in this podcast with Audrey Brown.