Sajad Gul booked under the Public Safety Act, which allows the detention of an individual without trial for six months.
Margarito Martinez, 49, who covered police and crime, was fatally shot near his home in the border town of Tijuana.
As big powers do the talking about the fate of Ukraine, where are Ukrainian voices? Plus, sexism in Greece’s media.
Authorities lift months-long suspension on social media giant’s operations after it agrees to meet conditions.