Mark MacKinnon

French police stand in front of the entrance of Paris Mosque as Muslims gather for Friday prayers in the French capital on January 9, 2014.

How the Charlie Hebdo killers could have been stopped two months ago

Justice

A couple living across the hall from the Kouachi brothers were terrified of their neighbors, and found a “cache of weapons” in their apartment after they grew suspicious. But when the Charlie Hebdo attackers found out about the spying, their threats successfully kept the discovery from French police.

A man jumps over a burning barricade outside the city hall in Mariupol, Friday.

Separatists in Ukraine push ahead with referendum, but what does it mean?