Slain Libyan photojournalist Mohamed Ben Khalifa in Tripoli, Libya, on June 5, 2018. (Hiba Shalabi)
Slain Libyan photojournalist Mohamed Ben Khalifa in Tripoli, Libya, on June 5, 2018. (Hiba Shalabi)

Journalists killed in Libya and Mexico; crackdown on press escalates in Sudan; prominent journalist flees Nicaragua