Ambush on convoy kills 37 in Burkina Faso

Deadliest attack in five years underscores rapidly deteriorating security situation

OUAGADOUGOU, Burkina Faso - An ambush on a convoy transporting employees of a Canadian mining company in Burkina Faso killed 37 people on Wednesday, the deadliest attack in nearly five years of extremist violence in the West African country.

The impoverished Sahel country has been struggling to quell a rising extremist revolt that has claimed hundreds of lives since early 2015.